How did the Berlin blockade escalate the Cold War?

Check all that apply.

-The US Air Force bombed East Germany as a result.

-The Soviet air force bombed West Germany to defeat the blockade.

-The Soviet Union tried to control Berlin through the blockade.

-The United States and the Soviet Union went to war to control the city.

-The Soviet Union and the United States began to act more aggressively.

ANSWER:(C&E)
C.)-The Soviet Union tried to control Berlin through the blockade.
E.)-The Soviet Union and the United States began to act more aggressively.