D
<span>Why did the development of the time zones make train schedules more reliable
A) time zones set the entire country to the same time
B) Time zones measured time locally instead of country-wide
C) Time zones made sure that each state was in only one zone
D) Time zones created a standard of time that all trains follow
D</span>
I'm not 100% sure but it could be: Voluntary Exchange takes place between buyers and sellers:
(btw I copied and pasted from the question so I didn't take any content :D)
Roosevelt's New Deal plans showed that he believed that <u>The </u><u>government </u><u>should </u><u>help </u><u>the </u><u>economy </u><u>without fully </u><u>controlling </u><u>it.</u>
<u />
<h3>The New Deal </h3>
- Was championed by the administration of Franklin D. Roosevelt.
- Was meant to increase government spending in the economy to help the U.S. get out of the Great Depression.
Roosevelt believed that while the government should not control the economy entirely, it should act as a very important partner that would support it to be as best as it could be.
In conclusion, option C is correct.
Find out more on the New Deal at brainly.com/question/14642503.
