What was the purpose of North Atlantic Treaty Organization (NATO)?
A.) NATO was a military alliance formed by the Soviet Union and its satellite states to defend one another if attacked.
B.) NATO was a military alliance formed by nations of Western Europe and North America to counter Soviet expansion.
C.) NATO was a military alliance formed by the United States and Britain to supply West Berlin through a massive airlift.
D.) NATO was a military alliance formed by Turkey and Greece to aid nations struggling against communist movements.