What were the main events that showed the us was becoming a world power?

The U.S. emerged as a world power through several key events. The Spanish-American War in 1898 marked a significant expansion of American influence overseas, resulting in the acquisition of territories like Puerto Rico, Guam, and the Philippines. The construction of the Panama Canal in the early 20th century further demonstrated U.S. military and economic strength, facilitating global trade. Additionally, the U.S. played a pivotal role in World War I and later in establishing the League of Nations, asserting its position on the global stage.