Which statements describe galileo's accomplishments or the obstacles he faced? choose all answers that are correct. a. he said that the cartesian coordinate system could be used to explain everything in nature. b. he faced criticism and disrespect from other scientists in england. c. he disproved the theory that the moon was smooth and had a polished surface. d. he designed a telescope 10 times more powerful than earlier models..

"the plan of removing the aboriginal people who yet remain within the settled portions of the united states . . approaches its consummation. . an extensive region . . has been assigned for their permanent residence. it has been divided into districts and allotted among them. many have already removed and others are preparing to go. . " removal of southern indians to indian territory, 1835 this passage is most closely related to a) imperialism. b) the civil war. c) westward expansion. d) the french indian war.