In general, World War II greatly aided in the spread of communism because the one of the three main victorious allies was Russia, meaning that much of the post-war landscape was at their disposal.
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while mesoamerican civilization knew of the wheel and basic metallurgy, the technologies became important. the earliest complex civilization was Olmec culture, which inhabited the gulf of mexico. (known for Olmec, Maya, Zapotec, Teotihuacan, Mixtec, and Mexica (or Aztec)
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in sub-Saharan Africa AIDS is the leading killer and a large reason for the high transmission rates is because of the lack of education provided to youth. When infected, most children die within one year because of the lack of treatment.
Las sociedades feudales eran sociedades estamentales. Estas presentaban 3 estamentos: nobleza, clero y el pueblo.