What was the Monroe doctrine? A: A trade agreement between the United States and Mexico B: A military treaty between Spain and Mexico C: A pact between the United States and Mexico to ward off European invaders D: A document and policy end up preventing European involvement in the Americas

D

Explanation:

The answer to this question is D. It is A document and policy end up preventing European involvement in the Americas. Hope this helps!

when a country suffers, for example, a drought period, the market product is affected for a low offer, in this case, potatoes; the government has to tax to the households, which have to give more money for the potatoes which they consume, that situation make them consume substitute goods even through loans, it could increase the financial market movement and the inflationary phenomena, the business has to increase salaries in order to the employees could buy a more expensive food (potatoes) and in order to inflation tha business had to buy expensive supplies in the factor market, while the rest of the world have to gain more money to consume the same amount of potatoes.

john maynard keynes developed new economic theories in response to the : b) great depression of the 1930s. his theories are so important that they are known as "keynesianism". in his works he supports the idea of a government with deeper involvement and intervention to end the great depression.