C During the Cold War
The border in black is considered the line of containment between the first world and the second world countries.
The Zimmerman note was a secret note sent on January 16th, 1917 by German Arthur Zimmerman to count Johann von Bernstorff. In the note it said that Mexico should be asked to enter the war as a German ally
Answer:
A
Explanation:
That's just the best answer of the 4.
One of the main ways in which the policies of Gorbachev, Yeltsin, and Putin were similar is that they all sought to avoid nuclear war with the west--knowing that engaging in such a conflict would no doubt lead to their utter destruction.