The correct answer to this open question is the following.
Unfortunately, you did not attach the excerpt of the book or a link to it.
However, although you forgot to include this important information, we can help you with the following comments.
The example could support the author's main purpose in the book -like other similar books- in that it shows the long and difficult road that passed before the federal government could grant women the right to vote.
It is true that before women were allowed to vote, both men and women organized, protested, and marched until the 19th Amendment to the Constitution gave women the right to vote in 1920.
We can refer to history and focus on the beginning of the women's suffrage movement that started during the Seneca Falls Convention of July 1848, in Seneca Falls, New York. An event organized by Lucretia Mott and Elizabeth Cady Staton. That long was the road to the 19th Amendment to the United States Constitution.
The 13th amendment finally abolished slavery
The Treaty of Versailles was a peace treaty that ended WW1 (between Germany and allies)
The answer is B, the GI bill was made to help post war veterans which helped with unemployment and gave the veterans job security.
Good luck!
