How did the united states and its government change in the late 1700s and early 1800s

The north had all of the following advantages over the south, excepta expansive industry to maintain their economyb. a large number of educated professional officers and soldiersc. a strong central governmentd. control over the major trade routes select the best answer from the choices provided

What does this quotation from the introduction of thedeclaration of independence do?

Reasons for factor mobility of a combine harvester, cotton, an oil platforn and a woodland