Answer:
I think that the answer is more and more lands were cleared for farming. It is either that or farmers moved to california. But, I would go with the first one.
Explanation:
Mark me brainliest please!
What map? so i can answer
The National Security Act of 1947 was a major restructuring of the United States government's military and intelligence agencies following World War II. The majority of the provisions of the Act took effect on September 18, 1947, the day after the Senate confirmed James Forrestal as the first Secretary of Defense.