The trade routes went over land and sea.
Caravans were crucial in making the trade routes successful.
Muslim trade routes helped connect Europe with China.
Gold, ivory, and spices were traded along the routes.
Islam was spread along the trade routes.
Answer: Charge (the holder of a public office) with misconduct.
The answer to number 20 is "It approved segregation as long as black had "separate but equal" facilities
The answer to number 21 is "Booker T Washington"
I do believe that, after research, it is C, Coltan.
Correct me if I am wrong, but do have a good day!
