What / or who are they: Delaware, Pennsylvania, New York, New Jersey
Why middle: These were the 4 of the 13 original colonies that were between the northern and southern colonies.
Religion: this is the sentence you really like to write. There were all sorts of religions present, but not one of them could dominate. These 4 colonies had Lutherans, Mennonites, Calvinists (mostly Dutch), and Presbyterians.
Commerce: mostly agriculture at the time, but not restricted to 1 crop as the south was. Had good ports and growing cities (New York, Philadelphia). I like to include the well respected intellectual hotbed of people there like Ben Franklin.
Answer:
Transcontinental railroad
Explanation:
<span>The necessary and proper clause of the constitution is a provision in Article One of the United States Constitution that is supposed to create and enact all the laws that the government consider to be necessary and proper to bring into execution powers including Execution the foregoing Powers and many others that refer to the Constitution.</span>
The need for Canada to populate the land with people loyal to them and to have them send western resources east.
Your answer will be the c.