Why did people in Europe eventually start settling down in smaller local kingdoms instead of large powerful empires?

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.

What were some effects of the viet cong uprising

The soviet union and the united states believed in two very different economic systems. what were the names of each?