Answer:
The similar connection between the places in U.S. territories is based after the name of the explorers, that include:
Vermont is a state in the New England region that is named after Samuel de Champlain.
Columbus, the state capital of Ohio, United States that is the most populous city in the state is named after Christopher Columbus, an Italian explorer.
A large body of salt water, the Hudson Bay in northeastern Canada is named after Henry Hudson .
New Hampshire is a state in the New England region was named after John Mason, the English explorer.
