Which of the following statements is FALSE?
a. The first locomotives were used in the U. S. in the 1780s.
b. Construction on the transcontinental railroad began in 1785.
C. By 1890, 165,000 miles of track had been laid across America.
d. The transcontinental railroad was completed in 1869.

b. Construction on the transcontinental railroad began in 1785.

Explanation:

The construction on the Transcontinental railroad began in 1863.

At that time, the purpose of this construction was to connect the eastern and western part of united states. This allow distribution of product thorough land can be done almost nationwide. (it's impossible before because they had to rely on horses)

This railroad attracted many investors and immigrants from other countries that see this as an opportunity to open a business in any part of united states and able to have the whole nations as the potential target market. It's regarded as one of the greatest invention in American history and contributed to massive economic growth for united states.

B

Explanation:

30 and 44 are b

explanation:

yes.

explanation:

because it let the japanese know who had the upper hand in the war.