Answer:
It was the most important because it brought light in the world and at night time.
Explanation:
The best answer would be: Ethnicity
The southern economy was primarily agrarian (farms) while the north was heavily industrialized.
Not slave, Kansas is middle north of North America but I do believe it was a free state
Answer:
the president
Explanation:
After both the House and Senate have approved a bill in identical form, the bill is sent to the President. If the President approves of the legislation, it is signed and becomes law.