The monroe doctrine (1823) could have been used in response to which of these events?
a ) the french invasion of mexico by napoleon 11
b ) the secession of south carolina from the union
c ) the removal of indian cultures from the american west
d ) the war with mexico for control of the american southwest

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

Interest groups are protected by the first amendment guarantees of petition. and what other freedom?

Which sentence best explains how steam power changed agriculture in england between 1810 and 1850? a. farmers started using steam-powered machines to spray chemical fertilizers and pesticides. b. livestock farmers began using steam-powered machines to milk cattle and shear sheep. c. steam-powered railways transport and sell agricultural produce far from where it was grown. d. steamships to transport large numbers of people from the united states to english farms.