Answer:
C. gerrymandering
Step-by-step explanation:
Gerrymandering can be regarded as act of manipulation by by political groups, it is a way by which this political group use to alter voting district so they can have the results that favour their party. Gerrymandering was named after "Elbridge Gerry" who was American politician and diplomat and the fifth vice president of the United States in the year 1813. It should be noted that whenever a politician fought to move district boundary lines to favor his/her political party, he would be accused of attempting gerrymandering which is illegal act.