The modernization of US cities has caused a reduction in overall river pollution. The development of large farms has polluted the river through waste runoff. The use of the river for shipping has stayed relatively the same since 1800. The decrease in fishing in the river has led to a shortage of seafood products.
it means an act of asking for information. to investigate something
Businesses compete in a free enterprise system because these systems exist in a capitalist environment, wherein the company with the "best idea" or product makes the sale and thus a profit--thus fostering competition.
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Ottoman empire and the british empire there more though