Samuel Adams was a Founding Father of the United States and a political theorist who protested British taxation without representation, uniting the American colonies in the fight for independence during the Revolutionary War.
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Answer: Ecological Succession {Succession}
Explanation: During succession the organisms within an ecosystem can change it's abiotic conditions.
<span>The Delaware Valley had cheap land for purchase, and this land also happened to be very fertile and conducive to many different types of crops that could be used for food sources and to sell.</span>
The rail road brought several advantages to the north it helped get supplies to those who needed it it was also a way to transport soldiers