The correct answer to this open question is the following.
One of the actions that President Kennedy took in addressing the humanitarian concerns of the cold war was the creation of the Peace Corps, which was a volunteer program to assist other countries during the Cold War years, financially and socially. It was created on March 1, 1961. Young Americans were trained for three months to prepare them before traveling to other countries to assist people in need.
Many Americans objected to the settlement and especially to President Wilson's League of Nations. Americans believed that the United States' best hope for peace was to stay out of European affairs. The United States worked out a separate treaty with Germany and its allies several years later.
The main cause of the second industrial revolution was, natural resources, abundant labor supply, strong government policy and new sources of power.
The answer is option A. A territory that was free soil was closed to slaver, while one that had popular sovereignty was allowed to vote on the slavery issue.