During a presidential campaign, a household receive several phone calls and pieces of mail directly aimed at their individual interests. This practice is called

What kind of graph uses bars that are separated by spaces?

a. a bar graph b. a histogram c. both a and b d. neither a nor b

The attempt by a dominant religion or ethnic group to reclaim previously possessed territory in an adjacent region from a foreign state that now controls it is known as

a. secession. b. irredentism. c. hegemony. d. diasporas. e. migration.