Why was slavery an issue for westward expansion?

Who established a colony on roanoke island? a. francis drake b. edmund spenser c. william shakespeare d. sir walter raleigh

Unlike european immigrants, chinese immigrants in the 1800s faced: a. language barriers b. laws that severely limited entry c. cultural differences d. nativist sentiments

Kublai khan honored his mongol heritage by: a)marring only one wife b)praying facing mecca five times a day c)slaughtering ten chinese officials every year d)building a large enclosed hunting ground at shangdu,his summer palace