The U.S certainly did pull punches almost the entire war. The Line Backer II operation, which removed those restrictions, force the NV to the table and they wer

The U.S certainly did pull punches almost the entire war. The Line Backer II operation, which removed those restrictions, force the NV to the table and they were ready to sue for surrender terms...but amazingly the U..S would not let them. In any case everyone agreed to peace and the U.S. went home. After we left the NV broke the peace and invaded South Vietnam again.