On which continent were the later Muslim empires mostly located?

Muslim empires spread from its place of origin in the Arabian Peninsula all the way to modern Spain in the west and northern India in the east.

Islam came to the Southeast Asia

Explanation:

along the main trade-route between Asia and the Far East then was further spread by Sufi orders and finally consolidated by the expansion of the territories of converted rulers and their communities.

regarding the law, the 15th amendment was specifically designed thinking in the rights of black free men.

even though ratified on february 3, 1870, the promise of the 15th amendment would not be fully applied for a long time.poll taxes and literacy tests would allow southern states disenfranchise african americans. only in 1965 the voting rights for african americans would be actually able to vote in the south.

in 1965, president johnson signed the voting rights act, which aimed to overcome legal barriers that prevented african americans from voting as it was guaranteed by the 15th amendment to the u.s. constitution.

d.

the northwest territory became the most densely populated area in the u.s.