Technology and African American migration
Yes, they attacked the <em />Indians, chased Berkely from JAmestown and torched the capital.
Truman adopted a policy of containment, in which the U.S. would attempt to prevent the spread of Communism but would not actively seek to regain territory already lost to Communism. He also announced the Truman Doctrine, a policy of aiding countries in danger of falling to Communism.
Explanation:
Russia and Japan were fighting over Korea, Manchuria, etc. Began in 1904, but neither side could gain a clear advantage and win. Both sent reps to Portsmouth, NH where T.Roosevelt mediated Treaty of New Hampshire in 1905. TR won the Nobel peace prize for his efforts, the 1st pres. to do so.