I believe the answer is A, Pollution of the environment, hope this helps :)
None of these answers make sense but im going pick A because it can take long depending on the person if they dont get alot of money
Because Dr. Borlaug’s work significantly increased agricultural yields in Mexico and India.
Oct 2 1835- April 21st 1836
B <span>The Great Depression. Is the validated answer Glad to help :) </span>