What are two characteristics of the commercial revolution that took place during the ming dynasty?

As the Chinese and other nations were increasingly engaged in naval commerce, the economies of various cities and oases along the Silk Road, in Central Asia and northwestern modern China, which depended heavily on international trade suffered enormously. Except for the largest cities with the largest water supplies, the communities gradually abandoned themselves, until they were swallowed by sand. In this way, the millenary Silk Road came to an end under the policy of isolation of the Ming dynasty, in the mid-fifteenth century.

whose power in the senate is equal to the power of the speaker of the house?

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.