Answer:
Michigan
Explanation:
Given that Peninsula is a term that is used to describe a piece of land surrounded by water on three sides, while connected with another land on its fourth side.
Hence, in this case, the correct answer is Michigan, because Michigan has two peninsulas (Upper and Lower peninsulas) after having bordered by Lake Superior, Lake Michigan, Lake Huron, and Lake Erie.
The two penisulas were connected by Mackinac Bridge
Yes, there were five states that joined the Union in war, but I do not think they were ten years apart.
C. American Revolution Era