How did new inventions change farming in the West?

New farming equipment made work faster and also lessened the need of farm hands. It also gave federal land to the states to help finance agricultural colleges, and the Hatch Act of 1887 established agricultural experiment stations to inform farmers of new developments.

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.