What is the significance of the cartoon above that takes place in 1948?

It provided necessary food and supplies to the people of West Berlin during the Soviet blockade, proving how far the US would go
to protect West Berlin

This proved to be the last major conflict between the Western Allies and the Soviet Union

This was the beginning of a full-scale war between the US and the Soviet Union

The US realized that the Soviet Union had a far superior military
and gave up all hope of defending Western Europe