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

documentary about the great depression, textbook chapter about economic markets, book of historical fiction written about Dust Bowl refugees.

Explanation:

This is because the people who made this sources were not there when it happens, eg movies, books, text books

letters, laws from that time are primary sources

hope this helps :p

cherokee and arikara