Simplify the following text for a Grade 5 native English-speaking person.
Original: The East Coast of the United States , also known as the Eastern Seaboard , refers to the easternmost coastal states in the United States , which touch the Atlantic Ocean and stretch up to Canada .
Simplified: The East Coast of the United States , is a part of the United States . It is also called the `` Eastern Seaboard '' or `` Atlantic Seaboard '' .