How did John Brown's attack on Harpers Ferry affect many Northern abolitionists? A. They were inspired to continue fighting to end slavery.
B. They were forced to publicly support slavery in the South
C. They lost official support from the Republican Party
D. They were able to convince Southern leaders to stop supporting slavery.

D. They were able to convince Southern leaders to stop supporting slavery.

Explanation:

Abolitionist John Brown leads a small group on a raid against a federal armory in Harpers Ferry, in an attempt to start an armed slave revolt and destroy the institution of slavery.

the correct answer is: (1) affected by gerrymandering; (2) not affected by gerrymandering.

gerrymandering is known as a practice that intends to establish a some kind of political advantage for a particular party or group. to do this district boundaries are manipulated. the new resulting district is named a gerrymandering.

in other words, what gerrymandering does is to draw the boundaries of electoral districts trying to benefit the party who is doing it. sometimes, the party controlling the legislature will redraw it so they can maximize the number of districts they are likely to control.