How and why did relations between the United States and American Indian nations change between 1830 and 1900? 3 reasons pl

Who is john brown and what did he do

Which statement is an example of direct democracy? a) people elect a senator to the u.s. congress. b) the town council approves funding for a new high school. c) the president issues an executive preventing states from executing prisoners. d) voters approve an amendment allowing elderly people to pay nothing in property tax.

What were the main features of the aristotelian-ptolemaic model of the cosmos