B. It helped explain why people have certain characteristics. I just took this test I studied like crazy.
Answer:
hunter-gatherer, was the ancestral subsistence mode of Homo, and all modern humans until around 10,000 years ago. Following the invention of agriculture hunter-gatherers have been displaced by farming or pastoralist groups in most parts of the world. Only a few contemporary societies are classified as hunter-gatherers, and many supplement, sometimes extensively, their foraging activity with farming and/or keeping animals.
Explanation:
It was YUUUUGGEE. Due to the inflow of immigrants cheap labour was common so that was one of the biggest factors of th the industrial revolution along with the great rural-urban migration of many americans
<span> He took credit for the American victory in the Battles of Saratoga.</span>