What's the significance of the Zimmerman telegram? A. it triggered the sinking of the Lusitania

B. It resulted in Mexico declaring war against the United States

C. It resulted in the United States entering World War I

D. It officially ended Russia’s involvement with World War I

C

Explanation:

The Zimmerman telegram was basically Germany telling Mexico, "Hey, if you attack the United States, we guantee you will get back California, Texas, New Mexico, and Kansas. We'll send you money and resources."

Then the United States was like, "Uh uh, honey. We don't deal with that" and they joined the Great War (WWI)

hello there the answer is a

sorry if i am wrong hope that : )

2. a land bridge connected asia and north america thousands of years ago.

4. crossing the land bridge would have been simple for the first migrants.

5. people might have crossed a land bridge while hunting animals.