The most important economic development in the mid-19th-century south was the cotton gin.
Answer:
The first people migrated to America at the end of the last ice age because sea levels decreased from the massive glaciers providing a temporary bridge (Bering Land Bridge) connecting the old world and the new world. Scientists and Anthropologists predict this event occurred after 12,600 BP approximately 20,000 years ago
Explanation:
Over time this answer could change as newer technology and innovations are seen yearly.
The spread of Humankind to inhabit all the part of the Globe was a significant advancement in the Paleolithic age.
The Paleolithic Age is commonly known as the Stone Age, begun roughly 500,000 years ago and ended around 6000 B.C.E. People in this period produced complex tools and objects made out of stones. This age comprises the initial widespread use of technology as humans advanced from simplistic to a more complicated developmental stage and the spread of Humanity from the Savannas of East Africa to the rest of the world.
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Answer:
Concentration camps are where where Hitler put all the Jews. The Jews did work all day and got food once a week
Explanation:
