During the 160th anniversary of the signing of the Constitution, the Freedom Train released to the Philadelphia's public. The Freedom Train was a peacetime patriotic campaign that originated in 1946. The Department of Justice, along President Harry S. Truman held the Freedom Train as a contrast of American freedom to the annihilation of liberty during Hitler's reign of terror. The Freedom Train attracted more than 3.5 million visitors and many participated in the civic activities it offered.
The Cold War emerged after the first atomic bomb was created in Arizona. The project to construct the weapon was called the Manhattan Project. After the second World War, a a conference in in Yalta took place where there were disagreements amongst attendees. Roosevelt and Churchill could not trust Russie or Stalin.
