According to the text, what did the disaster at Pearl Harbor show that the U. S. military leaders needed?

It was because of their negligence that the attack came into shape. Hence it is important for the US Air force to have a better communication system with their troops. It is also required that they have a faster response team so that the catastrophe can be avoided.

A way to prepare military bases defence more quickly and it is important for the U.S Air force to have better communication system with our troops.

i think they would live in caves or natural tunnels

the idealization of the rural landscape ; admiration for the beauty of nature ; focus on an individual's inner concerns