The answer is C. "Suffrage."
Suffrage refers to the right to vote and based on the details from the text we can see that the author is referring to voting. The text says, "We give to you the ballot, as your undisputed right as an American citizen." This shows that the author was in favour of women's suffrage.
September 1, 1939 – September 2, 1945
Many African Americans were given jobs during the war so when the returning soldiers came home at the end of the war only to find that African Americans had taken over their jobs, it created racial tensions between them.
In primaries, party members vote in a state election for the candidate they want to represent them in the general election. After the primaries and caucuses, each major party, Democrat and Republican, holds a national convention to select a Presidential nominee.
My deepest apologies if this is not what you meant.