The US declaration of war on Spain in 1898 is an example of what?

The US declaration of war on Spain in 1898 is an example of Imperialism and the emergence of the United States as a global power. It marked the beginning of the Spanish-American War, driven by factors such as the desire for territorial expansion, economic interests, and the influence of yellow journalism. This conflict resulted in the US acquiring territories like Puerto Rico, Guam, and the Philippines, thereby expanding its influence in the Caribbean and the Pacific.