I believe the answer is B. <span>B. They invented tools using stones and metal </span>
It sure isn't D. One of the reasons the South had trouble during the civil war is that she didn't have enough rail lines. Horses did much of the work the rails did.
The rails existed in 1865. There were lots of them. Trouble was they were mostly in the North.
The large population centers were largely in the east. Shear numbers would make rails feasible. Answer
The West did oppose the rails to some extent, but industry (like cattle and mining) wanted more rails. Most of the time the opposition came for economic reasons.
Depends on the perspective they find the information and the how they find it .
Well, the states are unable to protect the rights of the people. the existing national government lacks the power to perform essential functions.
The answer here would be C-President Truman never asked Congress for a formal declaration of war.