One advantage the Confederacy had over the Union during the Civil War was that Confederate forces had —

Boston and New Orleans were both founded as —

Which factor encouraged more immigrants to settle in northern states than southern states during the mid-nineteenth century?

The completion of the Erie Canal played a key role in which development?

One environmental consequence of the large-scale cultivation of cotton in the South was —

How did geography influence the early economic development of New York, Boston, and Charleston?

How did the loss of its control of the Mississippi River contribute to the defeat of the Confederacy?