The correct answer is: He brought several of them back to Spain.
Columbus gave the American Indians useless glass beads in exchange of differents products. This didn't seem to hurt the relationship with them as they had never seen things like that before and were amazed.
Although he forced them to work too, by enacting policies of forced labour, the action that characterizes his stay in Hispaniola (today Haiti and the Dominican Republic) was taking prisoners and sending them to Spain to be sold. This lead to a fight in which some indians were killed. Some of the prisoners died before arriving to Spain. The ones left in the island were forced to search for gold.
False, in today's world, many companies might have records of your payment history.
The Muckrakers were a group of journalists and writers that provided an important spark and ignited the Progressive movement. They were interested in exposing the problems in American society and urged the public to identify solutions.
They helped initiate the Progressive Era by analyzing if those bad conditions were linked to corrupt politics, poor working conditions in factories, bad living conditions of the working class and others.
They sparkled this analysis into people who read the newspapers and that wanted to change for their lives and because of that, an agenda was created.