4. Franklin invented this when he was a postmaster.
A. Franklin stove
B. almanac
C. bifocals
D. odometer

  A, The Franklin stove invented in 1742. The Franklin stove is a metal-lined fireplace named after Benjamin Franklin. It had a hollow baffle near the rear (to transfer more heat from the fire to a room's air) and relied on an "inverted siphon" to draw the fire's hot fumes around the baffle.

Explanation: Not D

Although Franklin did not invent it, he designed an odometer and attached it to the front wheel of the letter carriage, the odometer measured the number of revolutions of the wheel.

a, c, & d are correct:

they wanted lands to settle the extra population.

they wanted new markets for english goods.

they wanted to avoid civil war.

abraham lincoln, according to anyone who was connected with agriculture, represented the worst of northern politicians. shortly after lincoln was elected, south carolina seceded from the union. they along with other southern states, retained their anger. in a way, it was their own fault: the democrats were split in the south. some wanted slavery to be extended in other states that were about to join the union and some didn't want it badly enough. lincoln had a solid backing from his party: the republicans were united in not wanting slavery to be expanded.