3. Why did Europe depend on the U. S. for supplies after WWI?

Explanation:

In Europe, American combat troops would encounter new weapons systems, including sophisticated machine guns and the newly invented tank, both used widely during World War I. American forces had to learn to fight with these new technologies, even as they brought millions of men to bolster the decimated British and French armies.

there has only been 12 presidents. the 12th president is/was moon jae-in