Answer:
Far less diverse. A prime driver of speciation the development of new species from existing ones is geographical isolation, which leads to the evolution of new traits by subjecting creatures to different selective pressures.
World human population reached one billion
He asserts that the monarchy began out of sin, as according to the Bible. He asserts that no one family has the right to assert power over others. He does assert that if a king is chosen by election, the following kings should as well, rather than heirs.
Abraham founded Hebrew monotheism.