NATO nations (UK, France, West Germany, Italy, Belgium, Netherlands, Luxembourg, Denmark, Iceland, Norway, Portugal and Spain), SEATO nations (Thailand, Pakistan, Australia, New Zeland, South Korea, South Vietnam, The Philipines). Other important allies included Israel, Taiwan, Latin America (excluding Cuba and Nicaragua) Japan and South Africa; and to a lesser extent nations such as Malaysia, Indonesia, Somalia, Zaire.
Afghanistan lay in the Soviet sphere of influence until toward the end of the Cold War, and is not usually considered as a US ally.
In the early 1940s, the US, Britain and the Soviet Union allied against the Axis Powers in hopes of first guaranteeing their own survival and then liberating Eurasia. In the case of the former two versus the USSR, their ideology was tremendously different, but an alliance was the only way any of those could hope to survive. Consequently the alliance was solidified between the three.
No no.. First look up NATO as he said its a group of countries to fight against the spread of communism. Afghanistan was an important alli with US because when the soviets tried to take Afghanistan, The US supplied the Musadejeen who are now called the Taliban. Because of this the soviets spent billions of dollars trying to fight for years against afghanistan, but could never defeat them, and this was a plus for the US
They were allied with England, France, and other democratic countries to try and halt the spread of communism. This pact was mainly for European nations, it is called NATO.