If a survey researcher reports that her results are accurate within four percentage points, four percent is the

The ____ is the period of time before the voting day in which the candidates attempt to persuade potential voters to support them

a. election b. primary c. run-off d. campaign e. contest

Which country or group has not claimed sovereignty over Texas at some time in its history?

a. Spain b. France c. Great Britain d. Mexico e. the Confederacy