One of the main ways in which Europe’s commercial revolution affected social structure is that it increased the incomes of many lower-class citizens, which created somewhat of a "middle class," which had previously not existed.
The solidarity movement in Poland spoke out against communism, won, and established the first non-committal government in eastern Europe. The rest of the countries soon followed.
Mexico won its indpendence from Spain on Sep 16, 1810.
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The American indians adapted to solve the problem of scarcity of food by growing crops by taking dead fish to fertilize the soil.
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