Which of the followings cause a dispute that led to the mexican american war?

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.

This was the selling of large tracts of georgia land along a river in present-day mississippi from 1795 to 1803 at extremely low prices by georgia governors and the state legislature.

What mountains did the first transcontinental railroad cross