They got in trade with other city-states.
During World War II, the United States and the Soviet Union were allies, and they worked together in order to defeat the nations of the Axis. However, after the war, and particularly after the Yalta Conference, it became obvious that the two nations had very different ideas of what the future world should look like. The very different approaches that each side took towards its goals made these differences obvious. It also encouraged the idea that the two countries were enemies. This enmity was expressed through the conflicting ideas of capitalism and communism.
As the rise of communism became more feared, distrust and suspicion grew within the United States. People believed that the United States needed to actively protect the world from the threat of communism. This led to the beginning of what is known as the Cold War.
Congressional Republicans were in a festive mood on January 24, 1804, as they gathered at Stelle's Hotel on Capitol Hill for a banquet celebrating the transfer of the Louisiana Territory to the United States. The festivities began at noon with the discharge of "three pieces of cannon." President Thomas Jefferson and Vice President Aaron Burr were among the honored guests; they departed after the banquet, but the revelry continued until nightfall. "A number of the guests drank so many toasts that in the night they returned to their houses without their hats," one contemporary reported. But when one celebrant offered a toast to Vice President Burr, the effect was pronounced and chilling: "few cheered him," the chronicler observed, "& many declined drinking it."
Blacks responded to these conditions in different ways. Some blacks followed the ideas of Booker T. Washington, the popular black leader of the early nineteen hundreds.