What do you understand by the …

Allegory is a symbol of a nation and it expresses liberty , freedom , justice , greed through a person and thing.
They might also act as political satire.
It is representation of abstract ideas and principles by characters. Allegory plays an important role in the nation's building.

Examples

1) Marianne, allegory of france , a popular christened name. It represents ideas of the liberty, freedom . Which underlined the ideas of a people' s nation. Jer characteristics were drawn from those of Liberty , Republic- the red cap, the tri- colour and the cockade. To popularise the national symbols, statue of the Marianne were erected in public square.
2) Germania, allegory of german nation. She wore crown of oak leaves, as the german oak stands for heroism.It symbolizes strength; courage and freedom.

These allegories were erected in public square and figures were put on coins and stamps for the people to identify with her and nation.