Is the most critical health problem in Southern Africa.

where are the options?

Explanation:

which statement explains one of the reasons world war 1 was so much more destructive than earlier conflicts

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.