Which of the following took place soon after Puerto Ricans were granted U.S. citizenship? A. German immigrants who had been denied citizenship launched protests in major U.S. cities.. . B. Puerto Rican men were required to sign up for the draft and fight for the U.S.. . C. There was a rebellion in Puerto Rico that was stopped by American military forces.. . D. Limits on Japanese and Chinese immigration to the U.S. were lifted.