Final answer:
New Netherland comprised mainly of what is now New York and New Jersey. Maryland was not considered a middle colony; this designation included New York, New Jersey, Pennsylvania, and Delaware.
Step-by-step explanation:
The parts of the present-day United States that were included in New Netherland were primarily where New York and New Jersey are located today. These areas were part of the proprietary colonies formed after the English conquest of New Netherland in the late seventeenth century.
When considering which of the following colonies was not a middle colony, the correct answer is b. Maryland. The middle colonies were known for their diversity and economic growth after being formed from the English takeover of New Netherland, with New York, New Jersey, Pennsylvania, and Delaware being the primary constituents.