What was the name given to the african americans who fled the south and headed to kansas during the late 1800s?

What are the 4 main reasons to provide information

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.

How were slavery and indentured labor in american colonies similar