Take off D; the North had won some battles up to that point. Rip off A; the South would never let go of slavery. Take off B, since the Union had some wins already. You can now clearly see where the answer is.
Canals cut the cost of transporting materials, improved railroads which helped the movement of heavy wagons, railroads linked manufacturing cities with different materials.
Answer: Congress has the power to remove the president from office but only through the Constitution, but in order for the president to fully be removed from office is by the votes from the House of Representatives and if it passes then it goes to Congress and if its passed there then the president will be removed from office,
I hope this helps you!
Plessy vs Ferguson is the one I think. Research it on wiki to confirm.
Khaldun <em>was who wrote a book about the history of the world in the 1300's.</em>