Why did the industrial revolution cause people to move from farms to cities

Which statement best describes the underground railroad? a.) it is a train that took slaves from the south to the north. b.) it is a business that harriet tubman founded to slaves become free. c.) it is a secret route that slaves took to escape from southern slave states to the north. d.) it is a road that slave owners disliked using for travel.

What was constantinoples government

Tension between the british. and boers was caused primarily by what things?