Answer: It depends on what you mean because slavery is still alive today unfortunately in other countries. I'm assuming you mean African American slavery in the USA. Your answer would be from the 1600s - 1865. But at the same time, not every state started slavery at the same time. For instance, Georgia didn't start until the 1700s so it varies, but the first state was Massachusetts in 1619.
the answer is C because technology nowadays really can improve our live
A major theme of daoism is neo Confucianism
<span>As a result, the possibility for college majors in science and post-collegiate ... Below are just some of the science scholarship awards available to high school and college students. ... Inc. presents a student award each year to a junior or senior undergraduate ... Alaska Space Grant Program Undergraduate Fellowship</span>
Federal Court Rulings: Brown vs Board of Education May 1, 1954
Nonviolent direct Action: Bus Boycott in Alabama
Black National Groups: Black Panthers