The author of this article believes that the Native American population declined greatly mostly because of A.
enslavement, mistreatment, and hard labor.
B.
violent conflict.
C.
lack of immunity to some diseases.
D.
unhealthy patterns of behavior.

Help me plss

Which of the following was used only once, to ratify the 21st amendment (repealing prohibition)? a. three-fourths of both houses of congress. b. three-fourths of the state legislature approved it. c. two-thirds of the state legislature approved it. d. ratifying conventions in three-fourths of the states approve it.

What was the main point of helen hunt jackson's book, century of dishonor? a. it showed how unfairly american settlers were treated by the us government. b. it proved that american government was not responsive to the will of the people. c. it made the point that free land was no longer available to new settlers out west. d. it outlined the poor treatment of the native americans by the government.

Were african-americans allowed to serve in the military in wwi? explain