The major way that congress assisted railroad companies in building their lines was

Which of these was a cause of the war of 1812? a) french troops would not leave canada. b) spanish forces threatened to invade florida. c) british ships cut off american trade to europe. d) king george iii supported the confederate states.

After the congress of vienna europe

From 1990 to 2008, by what percent did the world’s most developed economies cut their greenhouse gas emissions?