Answer:
Since Indian tribes living there appeared to be the main obstacle to westward expansion, white settlers petitioned the federal government to remove them. ... Under this kind of pressure, Native American tribes—specifically the Creek, Cherokee, Chickasaw, and Choctaw—realized that they could not defeat the Americans in war.
Explanation:
In simpler terms, the Native American tribes did not want to give up their land and America wanted to keep expanding ultimately into Native American land.
Answer:
When Canada and the United States work together, they enhance their security and accelerate the legitimate flow of people, goods and services. Canada and the United States remain committed to close cooperation on issues facing our two countries and to jointly address challenges around the world.
I believe the answer is:
random sample of the town's population
A mix of participants that reflect your town's makeup
Random sample is needed in order to ensure that the researchers do not obtain only the subjects that is close to them. Mix of participants is needed in order to ensure that the sample population are not taken from group with close similarties in behaviour.
