Question

Why was the Zimmermann telegraph important to World War I?a.It caused Mexico to join the war.b.It caused the United States to join the war.c.It made Russia join sides with the Central Powers.d.It made Great Britain join the war.

Answer 1

Answer:

B

Explanation:

The telegram was considered perhaps Britain's greatest intelligence coup of World War I and, coupled with American outrage over Germany's resumption of unrestricted submarine warfare, was the tipping point persuading the U.S. to join the war.