How did World War One and world two affected United States

Explanation:

world war one made the u.s come out of the policy of neutrality after germany had served as a threat with the Zimmerman Telegram and unrestricted warfare the u.s joined that allied powers in 1917

world war 2 helped America once weapons started to be produced for the soldiers to use more jobs were created decreasing the unemployment rate

I hope this helped :)

can someone just answer this