What gains were made by American women during world war 1

Women in civilian jobs learned valuable skills.

Explanation:

According to Kevin Hymel, historian at the U.S. Air Force Medical Service History Office,“With their men away, women became more self-sufficient. Many brought tools home from work and used them on their own home repairs. They took on domestic roles they never had before.”

a social contract.

"a social contract is an agreement between citizens and their leader where the citizens give up certain freedoms in exchange for protection. the constitution of the united states is an example of a social contract."

b. florence

d. milan