Answer:
This innovation greatly increased crop yields simply by inserting the seeds into the ground. ... Both of these major innovations helped in overall agricultural productivity.
They wanted consumers to have some choices.
The answer is B. In a federalist system of government, like in the US, the powers are divided between the national and state governments, meaning this that each state has authonomy in certain degree to implement and manage their own laws, as long as this does not affect or contradict the Constitution. This system of government was implemented in the XVIII century as a way to ensure the individual liberties of americans.
On May 31, 1961, Meredith, with backing of the NAACP Legal Defense and Educational Fund, filed suit in the U.S. District Court for the Southern District of Mississippi, alleging that the university had rejected him only because of his race, as he had a highly successful record of military service and academic courses.