From the 1820s to the 1860s, the primary use of land in Texas was

A U.S. senator's term lasts

a. 2 years b. 4 years c. 6 years d. 8 years

_______ generally provides greater breadth than a case study and produces findings that can be tested for statistical significance

a. An experiment on an individual b. A quasi-experiment on an individual c. Survey research d. None of the above is true.