Why did americans feel strongly about western expansion and manifest destiny?
a.
they believed that americans had the right and duty to spread their culture westward across the continent.
b.
they believed that manifest destiny gave them the right to expand the united states and eventually conquer mexico.
c.
they believed that selling california was one way settlers could finance newer settlements in oregon country and build better trails from east to west.
d.
they believed that native americans and mexicans would eventually support this expansion.

Dr. redbull conducts a study to determine whether her new energy drink children perform better on spelling tests. she randomly assigns children to one of two groups: group 1 receives her energy drink and group 2 receives water. she then gives both groups a spelling test and compares the results. which of the following is true about this study? a. group 1 is the dependent variable and group 2 is the independent variable. b. this is a correlational study. c. group 2 is the experimental group. d. the independent variable is the type of drink the children receive.