In the years leading up to 1898, the United States mained a strict policy when it came to foreign policy, alliances, and foreign entanglements - a policy of _ (term) in which kept the United States out of global conflicts. This was suggested by President _ (people) in his farewell address, and further cemented by President _ in his statement known as the Monroe Doctrine. In 1898, the United States emerged on the world stage when it entered the _ (term) in Cuba. The participation of the United States in this conflict was caused by many events including _ (term), a tactic used by journalists to sway the American public in favor of war, and by the sinking of the ship _ (term) in Havana Harbor.

Following American victory in the war, the United States annexed the following colonies from Spain: Puerto Rico, Guam, and the _ (term). The idea of American _ (term), or establishing American colonies overseas, was debated in both government and the American public. Senator _ (people) was strongly against American _ (term).

America extended its influence over the Western Hemisphere by building the _ (term) in the early 1900’s under President Taft. The project was seen as a major need for the US Navy, and American economy.

After the early foreign interventions of the United States, it became clear to President Roosevelt that the Monroe Doctrine had to be amended. As such, he wrote an addition known as the _ (term). This stated that European empires had to restrict their influence in North America, and that the United States had the right to exercise a police power to guarantee peace. This was also called the _ (term) policy.

By 1914, the world was at war. European empires were battling across Europe for dominance in colonization and military power. Under the first term of President _ (people), the United States maintained neutrality in the war. This changed after a series of events including the sinking of the ship _ (term), and the _ (term), which suggested that Germany and Mexico would form an alliance against the United States.

When the United States entered the war, it joined the alliance known as the _ (term). The United States had a small military in 1917 when it declared war, and had to hold a _ (term) to create an army large and strong enough for war.

The war had many effects on the United States many more _ (people) had to secure employment in factories. _ (people) migrated to the north and western cities of the United States both for work and to escape racism and Jim Crow laws in the south. Additionally, there became a widespread fear of _ (people) - this movement was known as the _ (term).

Finally, after Allied victory in World War 1 - the overwhelming opinion of Americans was that they wished to return to the foreign policy of _ (term). As such, President Wilson’s plan for the peacekeeping entity known as the _ (term) was not popular and the _ (term) was not ratified.