Which regional factors contributed to the differences in the North and south's economies?

The south was based on slave labor for things such as cotton, fruit, tabaco, etc. The north was based more on industry and factory work for its economy.

Explanation:

nafta and the union are used as a trade between other countries these   organizations are used as spokes person for the country

although world war i began in 1914, the united states did not join the war until 1917. the additional firepower, resources, and soldiers of the u.s. to tip the balance of the war in favor of the allies. remaining neutral. when war broke out in 1914, the united states had a policy of neutrality.