Which was a challenge for the earliest permanent settlements? O Flooding allowed villagers to expand their property
O Fire risk increased due to the closeness of buildings.
O Disease was a threat because of the close proximity to the rivers.
O Droughts were a challenge that villagers overcame with technology.

B  Fire risk increased due to the closeness of buildings.

Explanation:

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.