Answer:
Became commander of the American army and began to organize it
option A
The wealth of Nations was the groundbreaking work by Adam Smith laying the foundation for the Modern science of econmics.
The Civil War expenses made the United States (US) became much more reliant on money in the late 1800s than in previous times. The need for money in funding the war paved the way for US to begin implementing income tax during 1862.
Army base camp to the high elevation running water