Answer:
Because they serve as the major importer of foreign goods, and readily available markets for local goods.
Explanation:
European trading companies which were very common around the fifteenth century going forward such as the British East India Company, the Hudson's Bay Company, the Dutch East India Company, and the Dutch West India Company, became an inevitable part of the politics and economy of South India” and other regions of Asia in the period 1450–1750 "Because they serve as the major importer of foreign goods, and readily available markets for local goods."
Through trade, taxes, and other tariffs, they were a major source of money for the different empires in these regions, thereby becoming an inevitable part of the politics and economy of south India.
Africa's resources were depleted and given to the American Colonies, which hurts their economy up to this day. Also, South America's natural resources were depleted (ie: Aztec gold) which hurt their economy as well. There's probably many more effects but heres one