People agree to social contracts because they establish governments which in turn establish a sense of order and security. It establishes a set of rules which makes people more comfortable when they have some to follow.
This is a bit subjective, but many historians would agree that Hammurabi's most important contribution to history in general was that "<span>D. He was responsible for the first codification of laws"</span>
I believe It’s is false! Hope this helps
4. World population did not reach one billion until 1804.
The government hid the fact of how bad it really was