Answer:
Attending school is an important duty because going to school as a kid and getting an education. Those kids will soon be running the country and will need to have had the education to make proper choices about how to run the United States.
The second last sentence of the first paragraph is the key message conveying Lincoln's view that war was forced for the protection of the nation.
"<span>Both parties deprecated war; but one of them would make war rather than let the nation survive; and the other would accept war rather than let it perish."</span>
The Constitution stands as a turning point in United States history and in world history. ... The result of months of meetings, debates, drafting and redrafting was the Constitution of the United States of America, the oldest charter of supreme law in continuous use.
B and c because usually those assassinations were broadcasted to the audiences