Answer:
Many Americans began to question military and political leaders who assured them the Vietnam War would be won soon.
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Answer:
The Zimmerman note and unrestricted submarine warfare by Germany
Explanation:
The Zimmermann Telegram was a note from German official to offer military alliance between Mexico and Germany. President Wilson understood the diplomatic relation and broke off the relation and decided to enter the WWI.
Germany was repeatedly attacking U.S. by submarine warfare in the Atlantic that killed ore than 120 U.S. citizens on May 7, 1915 that provoked outrage in the U.S. to participate in WWI.
Hence, the two reason are The Zimmerman note and unrestricted submarine warfare by Germany.
4 or 2. I am learning about Caesar in history rn
Answer:
it's all the above
Explanation:
it is in this smart app called brainly