In terms of the geography and climate, the middle colonies provides plentiful amounts of food. There are wide rivers, bays and harbors and the climate is just right. The winters and summers are mild and the temperature slightly varies as you move farther north or south. The land near the coastline is flat and slowly rolls west into the Appalachian Mountains. The mountains could be a slight problem as they might get in the way, but not a threat to a victory.
In terms of economics, the middle colonies are successfully supported by