America fought in the Vietnam war because we wanted to stop the spread of communism before it started another word war. We tried to stop it, however it was a pointless war for us to be in. So we withdrew troops and left, allowing communism to spread. This was a huge loss for America.
Laws were needed to justify the need for order in the rising complexity of the civilization so as more laws were written more were enforced and more were needed to justify that enforcement
