President Lincoln.
The Secession were basically the Southern states that withdrew from the Union to form the Confederacy.
It was mainly "the automobile industry used the substance to power cars and trucks," that was <span>boosted by oil being extracted here, since gasoline is derived from oil. </span>
The answer is A because the significance of gunboat diplomacy is military threats which is a foreign policy used to scare the less powerful nation so that they follow the most powerful nations demands.
Answer: I gotchu
Explanation: 1. The North had Britain and the French on there side
2. The North had an enormous industrial advantage
3. Nearly 21 million people lived in 23 Northern states. The South claimed just 9 million people — including 3.5 million slaves
4. Since the North controlled the navy, the seas were in the hands of the Union.
5. The North had twice the density of railroads per square mile
6. The North had loads more factories to make supplies for the Union army
7. The North had many non slave people to grow food and work in factories
8. This one is kinda obvious but the North won the war.