What was an outcome of the North Atlantic Treaty?

The United States extended its policy on isolationism.

The Soviet Union blockaded Berlin.

North Korea attacked South Korea.

All members agreed to treat an attack on one as an attack on all.

Russia acquired Poland and Bulgaria.

Question

What was an outcome of the North Atlantic Treaty? 



The United States extended its policy on isolationism. 



The Soviet Union blockaded Berlin. 



North Korea attacked South Korea. 



All members agreed to treat an attack on one as an attack on all.



Russia acquired Poland and Bulgaria.

josephinevessey · Answer

i think it could be that all members agreed to treat an attack on one as an attack on all.  but i could be wrong i found source's but i think it would be that.