The correct answer for the question that is being presented above is this one: "<span>According to Truman the problem when government is controlled by military and minority leads to subjugation. During the Joint Session of the Congress in 1947, it was mentioned there and the beginning of so called Truman doctrine which goal was to prevent spreading of communism and support for government which combat it</span>
A, the black plague. This is because the mongols would invade and actually use people infected with the plague to throw over walls of towns to infect the people inside.