That would be capitalism i believe.
Memphis is the capital of lower Egypt
N geometry, an intersection is a point, line, or curve common to two or more objects (such as lines, curves, planes, and surfaces). The simplest case in Euclidean geometry is the intersection of two distinct lines, which either is one point or does not exist if the lines are parallel.
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Thank you, this is very useful
For the inventions, it was steamboats that helped the Midwest. It's capable of bringing tons of cargo for the sake of better trading benefits. For the developments, rail lines were made from the Midwest to the rest of the other countries. As time went by, interstate highways linked a lot of states in the Midwest for easier means of transportation, too.