Answer:The Indian Ocean enabled African trade, in addition to bringing. Portuguese invaders. Because trade brought new civilizations into contact with one another, the transfer of new technology often occured. Wich civilizations were in Central America? Maya and Aztec.
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Humans first evolved in Africa, and much of human evolution occurred on that continent. The fossils of early humans who lived between 6 and 2 million years ago come entirely from Africa. Most scientists currently recognize some 15 to 20 different species of early humans.
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Answer:An economy that cannot fill in-demand occupations faces adverse consequences, including declining productivity, higher labor costs, delayed business expansion and reduced international competitiveness
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