<span>wanted a chief exective who would be a diplomat among world leaders</span>
The Underground Railroad was a complex network of secret routes that slaves traveled to get to freedom. Along the way, there were houses known as "safe houses". They were operated by free people, abolitionists, and Quakers. Without these people, the Umderground Railroad would habe never worked and slaves wouldn't have found freedom.
Communism influenced the 1917 Russian revolution
Your answer is C, during the Great Depression the rate of unemployment was at a high of 25.6%