As of the sixteenth century, europeans had generally built up a greater immunity to smallpox than had the native americans. true or false

True

Explanation:

In 1520 a smallpox epidemic fell on Tenochtitlan, being a determining factor for its conquest, claiming the lives of millions of indigenous people according to historians. Many Aztecs succumbed to smallpox that brought the arrival of Europeans. Throughout the 16th century, viral diseases such as smallpox sowed death among indigenous people in territories that are now part of countries such as Colombia, Ecuador, Peru, Bolivia.

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.