Which form of transportation was central to the growth of industry in the Second Industrial Revolution? rail
canal
highway
wagon

"if i have seen farther than others," said newton, "it is because i have stood on the shoulders of giants." who were the giants to whom newton was referring? could this be said of any scientific accomplishment? explain.

How did southern slaveholders attempt to convince people in the north to support slavery?

The maya got water from which of the following sources?