Why did the Indians who had been ruled by the Aztecs join up with Cortez?

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.

Which term best describes south korea based on information from the text?

The internal combustion engine was an innovation of