Explain the title, soldier’s heart. what do you think the author is trying to say about war and its effects on people?

Soldiers generally have to endure more than the average person.  They experience violence, tragedy, and death firsthand in the battlefield or in combat.  Soldiers are often also known for being selfless and putting others first and trying to save others lives before their own. So to say "Soldier's Heart" means that someone is a hardened, but good person.

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.

the right answer is the third one: turnpikes went short distances to connect markets. turnpikes, also known as toll roads, were very important for trade and transportation (of people, goods and products) in the 19th century, coinciding with the expansion towards the west. they contributed significantly to the economic development of the united states.