<span>Agriculture and specialization made it possible for humans to</span><span> develop complex societies
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Answer:
1776
Explanation:
The signing of the United States Declaration of Independence occurred primarily on August 2, 1776 at the Pennsylvania State House, Independence Hall in Philadelphia, Pennsylvania. The 56 delegates to the Second Continental Congress represented the 13 former colonies which had declared themselves the "United States of America," and they endorsed the Declaration of Independence which the Congress had approved on July 4, 1776.
Settlers were not to go west of the Appalachian mountains. Further purchases from Indians of land to the east of that line were prohibited. The Indian territories west of the proclamation line would be under the authority of the military.
Manifest Destiny, or the belief that it was American's God-Given-Right/ responsibility to expand the United States boarders from the Atlantic to the Pacific. People moved west because there was rich land for farming, opportunities for business or self advancement.