What are 3 main reasons America entered World War I?

Brainliestttme : ) how are developed nations and developing nations similar? both have membership in multinational groups. both experience high death rates. both experience low infant mortality rates. both have high per capita income.

Why hadn’t europeans used maritime routes before the age of exploration?

Explain the importance of president harry truman's order to integrate the u. s. military and the federal government.