Which was the main goal of the Open Door Policy?

1.to ensure China maintained its independence
2.to protect US trade interests in China
3.to ensure imperialist countries could trade equally with China
4.to guarantee the United States exclusive trading rights with China

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.

attacks by the seljuk. a devastating blow to the entire byzantine world was dealt by christian crusaders from the west. the venetians were eager to destroy byzantine power and offered the crusaders money, ships, and part of the spoils of war.

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battle of the bulge, but are there any multiple choice options?