Which of the following BEST describes ALL the parts of the United States that had been cleared of Native Americans by 1850?
Everything north of the Ohio River
Everything east of the Mississippi River
The Eastern Atlantic coast
Everything from the Atlantic to the Pacific

What area west of the Mississippi River was NOT settled by Americans before 1850?
Arizona
Oregon
California
Salt Lake area

Question 5 Which region of the United States did large numbers of American settlers begin moving into in the middle of the 1800s?
Eastern woodlands
Southeast
Great Plains
Southwest