What is the value of y?

The answer is C.

Explanation:

Given that total angles in a triangle is 180°. In order to find the value of y, you have to add up all the angles in terms of y and make it equals to 180°:

b. sec, foreign relations

answer: ensure protection from communism

explanation:

the north atlantic treaty was largely dormant until the korean war initiated the establishment of nato to implement it, by means of an integrated military structure: this included the formation of supreme headquarters allied powers europe in 1951, which adopted the western union's military structures and plans.