There are many, including :
Hudson Bay in Canada (on the Arctic Ocean)
San Francisco Bay in California (on the Pacific Ocean)
Chesapeake Bay on the US east coast (on the Atlantic Ocean)
Bay of Campeche in the Gulf of Mexico (Mexico)
One, Hawaii.
America is on the North American continent.
Australia is an island continent, and the only continent which is also a country.
One, Hawaii.
One, Hawaii.
Arizona is not a continent. It is a state in the US which is a country.
Ohio is one of the United States of America, therefore, it is on the North American continent.
North America, in the U.S., in the state of Pennsylvania.
One of the events that settled the question of which country controlled the North American continent was the Monroe Doctrine. Other events that settled that question were the Battle of Quebec, and the American War of Independence.
Louisiana is on the North American continent, specifically it is one of the United States of America. It was bought from the French in 1803 by way of the Louisiana Purchase.
Only one state is not located in North America: Hawaii. It's located in Oceania.
North America