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Answer:
Undergirding the development of modern Europe between the 1780s and 1849 was an unprecedented economic transformation that embraced the first stages of the great Industrial Revolution and a still more general expansion of commercial activity. Articulate Europeans were initially more impressed by the screaming political news generated by the French Revolution and ensuing Napoleonic Wars, but in retrospect the economic upheaval, which related in any event to political and diplomatic trends, has proved more fundamental.
Hunter-Gatherers were nomadic tribes who relied on moving to different locations in search of fertile hunting/gathering grounds. Sometimes, these lands they explored were barren, while some were plentiful, but the key was to keep moving, so they could not stay in the fertile land for long.
Eventually, humans started to farm, and domesticate animals, which led into the Neolithic Era (civilization). Farming gave humans the assurance of constant food, and furthermore, set more social roles and behavioral standards for communities. However, this transition caused the loss of equality for different people in a community, and raised the style of living we know, with the establishment of classes and governments.