The threat embodied by the Soviet Union under Joseph Stalin dampened any comeback of isolationism.
The ideological goals of the fascist powers in Europe during World War II and the growing aggression of Germany led many Americans to fear for the security of their nation, and thus call for an end to the US policy of isolationism.
He succeeding in paying off the national debt for a while, which could have enticed other countries to trade with the U.S, that and he made money safer to store and withdraw out of banks.
It was considered a turning point, because at the time the U.S. was in the American-Spanish war. It took place from April to August in 1898. the war ended in victory for the United States and the end of the Spanish Empire in the Pacific and <span>Caribbean</span>. Only ~113 days after the outbreak of war, the Treaty of Paris, which ended the conflict, gave the United States control over the former Spanish colonies of Puerto Rico, the Philippines and Guam, and control over the process of independence of Cuba, which was completed in 1902.
Depends on Emperor, but mainly was the army. The army conquered many lands such as the land now called England. They even got as fair to Asia, before being pushed back. As well when conquering those lands, they gained Servus or slaves. That could then go to be a Tiro, or Auxilia. With all of that brought power and wealth. As well a lasting image of how terrifying the empire was.
