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Trade among European and African precolonial nations developed relatively recently in the economic history of the African continent. Prior to the European voyages of exploration in the fifteenth century, African rulers and merchants had established trade links with the Mediterranean world, western Asia, and the Indian Ocean region. Within the continent itself, local exchanges among adjacent peoples fit into a greater framework of long-range trade.
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Answer:
In the classification of the archaeological cultures of North America, the Archaic period in North America, taken to last from around 8000 to 1000 BC in the sequence of North American pre-Columbian cultural stages, is a period defined by the archaic stage of cultural development. The Archaic stage is characterized by subsistence economies supported through the exploitation of nuts, seeds, and shellfish.[2] As its ending is defined by the adoption of sedentary farming, this date can vary significantly across the Americas. Since the 1990s, secure dating of multiple Middle Archaic sites in northern Louisiana, Mississippi and Florida has challenged traditional models of development. In these areas, hunter-gatherer societies in the Lower Mississippi Valley organized to build monumental earthwork mound complexes as early as 3500 BC (confirmed at Watson Brake), with building continuing over a period of 500 years.
Explanation:
21 im not sure tho your welcome.
Before WWI America owed Europe a lot of money, but after WWI the situation changed and the former allies owed America more than US$ 10 Billion for the cost of armaments and food supplies.
After the WWI a decade of tremendous prosperity started. This economic boom was a consequence of the mass production industries increasing gross domestic products, productivity and income, so business sales increase, driving up profits.
