How does the current Mexican flag reflect the Aztec mythology

The emblem shows an eagle devouring a serpent, The eagle is a symbol of the sun and a representation of the victorious god Huitzilopochtli, in which form, according to legend, bowed to the arriving Aztecs who founded Tenochtitlan on what today is Mexico City

why was the national assembly formed by the third estate?

the estates-general had not been assembled since 1614, and its deputies drew up long lists of grievances and called for sweeping political and social reforms. the third estate, which had the most representatives, declared itself the national assembly and took an oath to force a new constitution on the king.

. political or economical policy that isolates a country from participating in international relationships. it has been suggested that the united states participates in isolationism because of its lack of involvement in particular wars or alliances.