This depends slightly on the region of Africa in question, but many of them were re-sold into slavery for other tribes in the region, while others were eventually freed.
Answer: After WWI ended, Hitler turned to the Jews as a scapegoat to blame the lost on.
Explanation: Hitler also began using methods such as indoctrination to teach that there was an inferior race and noninferior race who were minorities such as the Jews and those with disabilities. Jews began to be targeted through events such as Kristallnacht/The Night of Broken Glass. Jews were then segregated into ghettos where there was a lack of food, diseases, etc. so they can slowly kill off Jews. When Hitler decided Jews were not dying fast enough, he turned to the Final Solution which was the mass murder of Jews.
Answer:
He refused it, because he believed that it's an act of treason and didn't wanted to accept it as a governor. Because he was removed from his office. He decided to move himself away from politics and died on the country side in 1863.
Explanation:
Sam Houston, one of the most famous historical figures in 19th Century refused the secession, but furthermore refused to help Union in fighting the Confederates. He didn't wanted to participate in the bloodshed, as he was someone who fought for the unification of States, not its dissolution.
Dewey commanded a U.S. fleet that destroyed a Spanish fleet in the Philippines.