The warsaw pact was a union of (5 points)
western european nations
eastern european nations
both western and eastern european nations
the united states and western european nations

The correct answer is: "eastern European nations".

The Warsaw Pact was signed in 1955 by the URSS and the group of Eastern European satellite states under its influence. It aimed to establish collective defense mechanisms and to deal with the organization of the regional economy. It was founded as a response to the emergence of the NATO, which was a similar association of countries constituted by the US plus the Western nations under the influence of the first.

c. as a force against soviet invasion of afghanistan

the correct answer is d