The Civil War began when the Confederates bombarded Union Soldiers at Fort Summer. And, yes, it did start from the different views from the South and North that came with President Lincoln.
The US foreign policy distanced it from Cuba, in not only diplomatic relations , but trade, etc.
Answer:
lay out and transportation links, canals helped transport goods in between cities and into cities for imports and also exported them, with this came the ability to travel quicker therefore more ethnic groups began migrating around the country to different cities increasing the ethnic diversity
