One reason for America's venture into imperialism would have to be for power. The United States wanted to show other countries of the world that they were also a superpower in the world.
Another reason why America went into imperialism would be for protection. They'd be able to have military posts around the world and off the coast of the United States. They'd be able to fight in battles/wars without having to fight right near the mainland. That would keep the country and the people safe.
Yet another reason why they ventured into imperialism would have to be because of business and trading. By 1920, the United States was importing and exporting millions of dollars worth of goods. To keep this money flow coming in, they had to expand.
Power, protection, and business were just three reasons why the United States went the imperialistic route.
