Why was Douglas MacArthur removed from command?

a$)$ His defensive tactics frustrated an impatient President Truman.

b$)$ He refused to recognize a cease$-$fire.

c$)$ He refused to attack Chinese forces because of a fear of starting another world war.

d$)$ He was publicly insubordinate to the Commander in Chief.

Question $11(2$ points$)$

The most famous disclosure of espionage activities in the US government in the late $1940\text{'}$s involved the case of which person?