Er, they did. But not as much as in WWII because they weren't asked, simply.
Jeannette Rankin did not want the United States to enter the World War 1.
makes that United States declared the war and enter to the World War 2
The United States declaration of war is from 6 April 1917.
They did not lead to war; they were part of the war. They were, however, factors in the United States' decision to enter the war.
The attack on Pearl Harbor was the factor that made the United States decide to enter the war.
The United States joined the Second World War in December 1941 as a response to the Japanese attack on Pearl Harbour.
Puerto Rico is has been part of the United States since 1898. The United States entered World War 1 in 1917. So, yes. Puerto Ricans fought proudly in WW1.
The united states entered world war 1 because of the sinking of US ships (including the the Lusitania) by German submarines
The United States would not make a decision to enter war unless there was a benefit to be gained...That being said, aiding in WWII was morally responsible
Wilson did use that term to indicate that the United States had an obligation to lead the free world, ie., democratic governments. But that goal was only a part of the reasons for the US entry into World War 1.
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The united states didn't really care, they didn't want to enter another world war.