Why did the spanish set up mines and cattle ranches in mexico

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 permo-triassic extinction event had a greater impact on the number of earth's species than did the extinction event at the end of the cretaceous true false

In which era does vietnam war fought and what was the reason?