I think it is the United States Office of War. Hope it helps!
I think it the Boston tea party. But if iam wrong Iam so sorry look it up on google that may help
Answer:
Baseball
Explanation:
In the decades following the Civil War, Americans underwent striking changes in their everyday life. Sports became a popular pastime for many Americans in the late nineteenth century. Baseball became one of the games that drew enormous crowds from all classes together. Many games occur in America, but baseball remained a comforting and steady sport for the people. Eventually, baseball became the national game of America.