Most economies are considered mixed because most have some portion of the means of production under government control. Most economic systems also have some element of the market or capitalism. ... The most vulnerable members of society benefit from a mixed economy because they are offered some social safety net.
Because of British seizure of American ships and because of impressment of American seamen. :) I hope this helps!
An effect that slavery had on populations and culture of west african countries went up because population increased with slaves and since their was more population, the peoples would have to spread and make a larger tribe or spread out and make more cultures because, their was such an increasment on population