Final answer:
In the 1950s and 1960s, the Soviet Union tried to reduce the influence of the policies of the United States. This period in the history of the Soviet Union is known as the Cold War. One of the most important reforms was initiated by Mikhail Gorbachev, called glasnost and perestroika.
Step-by-step explanation:
In the 1950s and 1960s, the Soviet Union tried to reduce the influence of the policies of the United States. This period in the history of the Soviet Union is known as the Cold War. One of the most important reforms was initiated by Mikhail Gorbachev, called glasnost and perestroika. At this time, the nation also worked to improve relations with the United States.