Final answer:
Delaware is the state with the nicknames Diamond State, First State, Blue Hen State, and Small Wonder.
Step-by-step explanation:
The state that has the nicknames Diamond State, First State, Blue Hen State, and Small Wonder is Delaware. The state is called the Diamond State because Delaware was known for its diamond production in the 19th century. It is also called the First State because Delaware was the first state to ratify the U.S. Constitution.
The nickname Blue Hen State comes from a breed of chicken called the Blue Hen, which was popular during the Revolutionary War. Lastly, Small Wonder refers to Delaware's small size and its contributions to American history.