During the Korean War, many U. S. prisoners of war were held in war camps run by Chinese communists. Without using brutality, the captors secured the prisoners' collaboration in various activities. Some did simple tasks to gain privileges while others completed radio appeals and false confessions or divulged military information. When the war ended, 21 prisoners chose to stay with the communists. More returned home convinced that communism was a good thing for Asia. The Chinese captors were able to accomplish this by using:

foot-in-the-door  technique

Explanation:

The Chinese captors were able to accomplish this by using foot-in-the-door  technique.

The foot-in-the-door technique is when a small request is initially made in order to get a person to later agree to a bigger request.

concurrent jurisdiction is the ability to exercise judicial review by different courts at the same time, within the same territory, and over the same subject matter. for instance, a domestic violence matter may be heard in either a general civil court or a family court in the same county. whichever court actually exercises its jurisdiction first will do so exclusively.