The legal system includes unwritten laws derived from ancient custom and usage
No, not yet, but the government have just funded a train company to make the first maglev train in the USA in Maryland.
I believe your answer would be B. Hope this helps!
Ulysses S. Grant was the final commander of the Union Army
To improve the navigability and to provide for the flood control of the Tennessee River; to provide for reforestation and the proper use of marginal lands in the Tennessee Valley; to provide for the agricultural and industrial development