When a diffusion comes along it usually causes diversity between the people who diffused it.
example:
john : i hate this culture!
jane : shut ur mouth !
john : this needs diversity !
Answer: After world war 2, the birthrate in the United States rose sharply, resulting in a group known as the baby boomers.
Pastoralism persisted in areas that could not sustain long-term agricultural pursuits, such as areas with unfavorable climates and unreliable sources of pastures, food sources, and water
Pastoralists we're vital in the spread of technological innovation between different agricultural communities as they moved between settled populations.
Most of them were overthrown by 750 B.C.
Letter A is correct I think but don't rely on me too much K
