In 1949, the United States, Britain, and France signed the North Atlantic Treaty, which created the North Atlantic Treaty Organization (NATO). The pact stated that “an armed attack against more or one of them . . . shall be considered an attack against them all.”

What was the purpose of the treaty and organization?

a) to create an alliance, stronger together
b) to limit the spread of capitalism
c) to defeat the Germans
d) to contain North Korea