What crop did mid-west farmer discover was ideal for the dry, arid conditions?

b: to eliminate competition from other farmers

2. a land bridge connected asia and north america thousands of years ago.

4. crossing the land bridge would have been simple for the first migrants.

5. people might have crossed a land bridge while hunting animals.

i believe it is the second one.   if correct plz mark brainliest.

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.