The transcontinental railroad made it much easier and faster to bring goods and people across the continental United States. This made shipping easier and cheaper, and commerce increased drastically (Answer is B).
The railroad made many people, namely capitalists, incredibly rich, and very influential in government. Corruption naturally occurred, but it was not so huge as to have a net negative effect on commerce, since the gains brought by the railroad were so great.
The railroad did not make all trading posts disappear. Although some trade posts that were not located on or near the railroad may have become less relevant, a large number of trade posts thrived thanks to the traffic brought by the railroad.
Answer: It was the population policy of the 21st century.
When 20th century ends, the desirable social goal was sustained and broadly accepted from local and regional levels to the world. To most citizens of America, the population is not really an issue, but it has been for the past decades because low population may mean demographic issues.
Explanation: mark me brainliest please
It has to be State border or National border, bug I think it's National border
