Why did Shay's Rebellion happen under the Articles of Confederation?

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.

To keep other european powers from threatening its empire in america, spain sent soldiers, settlers, and?

Why have some historians rejected the labels bc and ad as laels for periods in world history