Answer:
C. Increased food production has supported larger workforces in the manufacturing and service sectors.
Explanation:
I received a 90% on this test, and it seems the most feasible option.
Every other answer for the test is in the .txt file attached to this answer :)
DATE ANSWERED: 5/12/2021
Making America great again
By that time, railroads were proving a better method of long-distance transportation, and the Baltimore and Ohio<span> Railroad was being built west from Baltimore to</span>Cumberland<span>, mostly along the </span>Potomac River<span>, and then by a more direct route than the National Road across the Allegheny Plateau of </span>West Virginia<span>
hope this helps</span>
D) Lend-Lease Program. Confirmed on multiple sites on Google