Which are secondary sources? Select three options.

documentary about the Great Depression
textbook chapter about economic markets
book of historical fiction written about Dust Bowl refugees
letter home written by someone during the Great Depression
signed federal law aiding people affected by the Great Depression

Put the following events in the correct chronological order: i. new state constitutions are formed. ii. declaration of independence is signed. iii. second continental congress writes the articles of confederation. iv. special conventions are convened to produce fundamental laws for the states. a. ii, iii, iv, i b. ii, iv, i, iii c. ii, i, iv, iii d. ii, i, iii, iv

Explain one major pattern of cultural interaction between nomadic and sednetary socities in afro eurasia before 1450 ce

Brainliestttme : ) what demographic changes occurred after world war ii?