They used Paine's Common Sense to justify the American Revolution.
The group that painted the animals in the Lascaux cave were homo
sapiens. There is evidence that the paintings in the Lascaux cave in
southern France shows the homo sapiens which came to Europe from Africa
had developed more sophisticated drawing techniques than earlier
revolutions of mankind. These were paintings of animals, rather than the non-figurative paintings that can be seen in earlier cave art.
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The 14th Amendment grants equal protection under law for all citizens. Although it was ignored throughout the South after the Civil War, it allowed all citizens, white or black, to be treated as equals in courts and by government and state workers.
The Manifest Destiny was a phrase coined in 1845. It expressed the spirit and meaning that United States was destined by God and by its history, to expand its dominion and spread democracy and capitalism across the entire North American continent so as to get as much land as possible. As a result, millions of Americans began to migrate westward in search of new lands as well as opportunities.