How did the policy of massive retaliation prevent the united states from becoming involved in war? what role did covert operations play?.

use the threat of nuclear attack instead of fighting an actual war

covert : use of technology and the cia

covert failure : shooting down of a U.S. U-2 reconnaissance plane over the Soviet Union in 1960

Explanation:

later on in the korean and vietnam war a limited war or police action were fought: war fought with limited commitment of resources to achieve a limited objective (such as containing communism)

quizlet

giant impact theory - the moon was formed from the collision between earth and another mars-sized body.

colliding planetesimals hypothesis - the moon was formed from the same cloud of material as earth.

capture hypothesis - the moon was locked into orbit by earths gravity as it was passing by it.

accretion hypothesis - the moon was formed from collisions and combining of planetesimals.

i think this is right, if not and you know better let me know.