Need now ! how did the monroe doctrine lead the way for u. s. imperialism ?

The United States invoked the Monroe Doctrine to defend its increasingly imperialistic role in the Americas in the mid-19th century, but it was not until the Spanish-American War in 1898 that the United States declared war against a European power over its interference in the American hemisphere.

if you're talking about (ww2) they went bankrupt and their currency was worth nothing

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its a !