What were some of the events that led to overthrow of the Czar in Russia?

What was the Zimmerman telegram and how did this change the course of the war for the United States?
How did the views of Woodrow Wilson and his European allies differ at the Conference of Versailles?

President Wilson learns of Zimmermann Telegram. ... In the telegram, intercepted and deciphered by British intelligence in late January, Zimmermann instructed his ambassador, in the event of a German war with the United States, to offer significant financial aid to Mexico if it agreed to enter the conflict

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In March 1917, the army garrison at Petrograd joined striking workers in demanding socialist reforms, and Czar Nicholas II was forced to abdicate. In July 1918, the advance of counterrevolutionary forces caused the Yekaterinburg Soviet forces to fear that Nicholas might be rescued.

each played a major role in ending the cold war.

- a.) african slaves and indentured servant’s

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