Which of these is not a major problem experienced by many african countries due to political instability? a) limited access to education b) food shortages and malnutrition c) a significant decrease in birth rates d) lack of medical treatment and supplies

The answer to the problem is C) a signnifican decrease in birth rates.

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john maynard keynes developed new economic theories in response to the stock market crash of 1929. great depression of the 1930s. first and second world wars. economic boom of the 1950s.

answer; andrew jackson approved nullification by signing it into law,and john calhoun opposed it saying it was unconstitutional;