Answer: D
Explanation: please give me some points.
Answer:
The Transcontinental Railroad fundamentally changed the American West. As the United States pushed across North America, railroads connected and populated the growing nation. Railroads also sparked social, economic, environmental, and political change.
To that end, Congress passed the Selective Service Act, which Wilson signed into law on May 18, 1917. The act required all men in the U.S. between the ages of 21 and 30 to register for military service. Within a few months, some 10 million men across the country had registered in response to the military draft.
So it is D
Answer:
The African Americans made many advantages to the American Revolution, for example African Americans did slave labor. Furthermore, African Americans have also brought many things from the South like tobacco, indigo, rice, and naval stores. This shows that they did many advantages making the settlement in the New World possible.
I am so sorry about all those people that do links... it really does get annoying... Hope you ace this thing!!