The correct answer is A) Boost efforts to build a transcontinental railroad.
Military development wasn’t all that advanced in the 1800s, also expansionism and uprisals from colonies were the major cause of war. Also, war tactics were not as aggressive or debastating.
The third one so (c) large corporations backed long because they wanted taxes reduced in order to rebuild their destroyed structures.
D. 9th fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
Marbury v. Madison enhanced the system of checks and balances by giving the Supreme Court a very strong check on the actions of the Congress . The Constitution itself did not give the Supreme Court the power of judicial review.