Roosevelt was a president of America.

He was elected as the president of the United States.

He said he wanted to go to America.

He is thinking of going to America.

He is from the United States of America.

A new policy was implemented by the executive order.

The vice president performs the duties of the president in his absence.

He is an American.

The American black bear lives in the forests of North America.

An American alligator can move very quietly underwater.