What were reasons or expanding us westward

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.

•the impact of enlightenment ideals on the development of economic, political, and religious structures in the western world

Which economic sector employs the least number of people in mexico, barbados, and venezuela? a. agriculture b. services c. industry