The United States became involved in World War II only "<span>c. after Japan attacked Pearl Harbor," since this represented an unquestionable act of war against the US that needed to be avenged. </span>
Similarities: the north Koreans and the Vietcong were communist, the Russians back both the north and south. Both are examples of the US following it's containment policy.
difference: Vietnam was dense jungle warfare.
Answer: The High Medieval Era is the period of time that seems to typify the Middle Ages best. Usually beginning with the 11th century, some scholars end it in 1300 and others extend it for as much as another 150 years
Explanation: please brainly me im begging