The photograph is a source. took the photograph, making her the author of the source. The photograph was taken in . The photograph was taken while the author was photographing for the US government.

Primary, Dorothea Lange, 1936, migratory farm workers

Explanation:

The photograph is a

✔ primary

source.

✔ Dorothea Lange

took the photograph, making her the author of the source.

The photograph was taken in

✔ 1936.

The photograph was taken while the author was photographing

✔ migratory farm workers

for the US government.

Explanation:

im not sure on this one

it required the unanimous approval of the states before the congress could enact any measure.