He is from the United States of America.

I made a mistake.

His fault is unforgivable.

Hydrogen peroxide is widely used as an oxidizing agent.

He told me the whole story of the incident.

The long autumn nights are rustling, and you can hear the sound of the wind passing through the trees.

He won a majority of the votes in the election.

He is an American.

I plan to travel to North America next year.

The American bison is a large mammal native to North America.