Classification of economic sectors on the basis of nature of activities are as follows:

1. Primary sector: When we produce goods by exploiting natural resources, it is an activity of the primary sector. Since most of the natural products we get are from agriculture, dairy, fishing, forestry, this sector is also called agriculture and related sector.
2. Secondary sector: In this, natural products are changed into other forms through manufacturing that we associate with industrial activity The product is not produced by nature but has to be made and therefore, some process of manufacturing is essential. For example, using cotton fibre from the plant we spin, yarn and weave cloth. Since this sector gradually became associated with the different kinds of industries that came up, it is also called as industrial sector.
3. Tertiary sector: It helps in the development of the primary and secondary sectors. They provide aid or support for the production process. Transport, storage, communication, banking, trade are some examples of tertiary activities. Since these activities generate services rather than goods, the tertiary sector is also called the service sector.

The Declaration of the Rights of Man and of the Citizen, first codified in 1789 in France, is a foundational document of both liberalism and human rights, itself based on the U.S. Declaration of Independence written in 1776.

Five arguments in favour of democracy are,

1) More Accountability from Democratic Government

• A non-democratic government need not necessarily try to solve and respond to the needs of the people, the response of a non-democratic government depends on the wishes of the rulers.
• In a democracy the Government has to respond to the needs of the people, they are accountable to the people of the country.

2) Improved Decision-Making Qualities

• Decisions taken in a democracy are based on discussions and consultations held with various stakeholders.
• On the flip side, it may take more time, but the big advantage is that when multiple people are involved in decision making, the possibilities of making impulsive, rash decisions, irresponsible and wrong decisions will be avoided.

3) Democracy provides a method to deal with differences and conflicts.

• There will be differences of opinions and conflicts in any society.
• This is prevalent in a country like India which has immense social diversity.
• In India, people have varied and diverse preferences since people belong to different regions, religions, castes, speak different languages and have diverse cultural practices. Hence differences of opinion are bound to rise.
• In Democracy no one is a permanent loser and no one is a permanent winner, hence in a diverse country like India whenever conflicts arise, democracy is the only option that provides a peaceful solution.

4) Democracy enhances the dignity of citizens

• The principle of political equality is the foundation of democracy.
• In a democracy educated and uneducated will be given the same status.
• In a democracy, the poor and rich will be accorded the same status.
• In a democracy, there is no scope for dictatorship.

5) Democracy is better than other forms of government because it allows us to correct its own mistakes.

• There is no guarantee that Governments will not make mistakes.
• There is no guarantee that mistakes will not happen in a democracy.
• On the positive side, mistakes done cannot be hidden for long in a democracy, democracy gives space for civilized public discussions and debates on the mistakes. Democracy gives room for rectifying errors or mistakes.
• In a democracy, if there is a mistake, the Government has to change its wrong decisions or people have the right to change the Government through elections.
• The above process does not exist in non-democratic governments.

But there are no option given in the above question. 

Otto Von Bismarck was the Prussian Chancellor. His main goal was to further strengthen the position of Prussia in Europe. Bismarck had a number of primary aims: to unify the north German states under Prussian control.

Advantages of Decentralisation :

1. Sharing of power between centre and states and local government reduces conflict.
2. Large number of problems and issues can be best settled at local level. People have better knowledge of problems in their localities.
3. People have better knowledge of their own problems.
4. They know better on where to spend money and how to manage things efficiently.
5. People at the local level will participate directly in decision making. This helps to inculcate a habit of democratic participation.
6. Local government is the best way to realise one important principle of democracy, namely the local self government.

Sustainable development refers to a process of development wherein the quality of the environment is maintained by the use of exhaustible resources. This is to ensure the quality of the total stock of all forms of wealth (including environmental wealth) must not be depleted. Many forms of development erode the environmental resources upon which they are based; which in turn, undermines present economic development and reduces future possibilities drastically. Therefore, sustainable development should keep in view the stability of the ecosystem. With this view, the International Union of Conservation of Nature has defined sustainable development as ‘improving the quality of human life while living within the carrying capacity of the supporting ecosystem. Concerned with the growing opinion of the world community on the environmental issues, the United Nations established a World Commission on Environment and Development (WCED) headed by the Norwegian Prime Minister Gro Harlem Brundtland.

1. Agriculture has been in practice in India for thousands of years.
2. Continued uses of land without well-matched techno-institutional reforms lead to slow down the pace of agricultural development.
3. Inspite of development of sources of irrigation most of the farmers in large parts of the country still depend upon monsoon and natural fertility of the soil.
4. Our population grew at a fast rate than agriculture production. Agriculture which provides a livelihood for more than 60 per cent of its population, needs some serious technical and institutional reforms.
5. Exploitation by local moneylenders and middlemen.
6. Lack of insurance against natural calamities. 
7. Primitive methods of farming. 

Biotic resources: All resources which are obtained from the biosphere and have life are known as biotic resources e.g. forests, animals, birds, etc. Mineral fuels can be regarded as biotic resources since they are derived from or products formed from decayed organic matter.

Abiotic resources: All resources which are non-living are called abiotic resources e.g. mineral ores, petroleum, etc. These resources fall into the larger category of natural resources which occur naturally in the environment and are not created or produced by humans or human activity.