Answer:
23rd Amendment, ratified on 3/29/1961
Explanation:
https://en.wikipedia.org/wiki/Twenty-third_Amendment_to_the_United_States_Constitution#:~:text=The%20Twenty%2Dthird%20Amendment%20was,and%20the%20House%20of%20Representatives.
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.
