Camp David is a secure location where the President can get away from it all. Established in 1942 by President Roosevelt, Camp David is located in Maryland, about 70 miles from Washington, D.C. in a heavily wooded area. U.S. Marines patrol the area providing optimal security. The Marines are part of the Navy. Because Camp David is so close to Washington, the president can be back at the White House very quickly in the event of a crisis.
Which sentence supports the idea that Camp David is secure?
It was established by President Roosevelt.
Camp David is in a heavily wooded area.
Camp David is very close to Washington, D.C.
U.S. Marines patrol the surrounding area.