Where were most african american colleges that were founded before 1900 located ?

Which is the following statements best describes how urban commuting changed in the late 1800s

Which of the following was a difficulty faced by the ottoman empire in the 1700s and 1800s?   a.  financial independence      b.  lack of trained artisans      c.  refusal to trade with other nations      d.  rebelling ethnic groups

What event brought the us into wwii? what conflicts happened after the us entered the war? i know the first part of this question, i need with the second part.