An official website of the United States Government Here's how you know

Official websites use .gov

A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS

A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Clouds border the Amazon River as it empties into the Atlantic Ocean in this photograph from the International Space Station taken from 258 miles above Brazil in August 2022. [NASA Johnson image]

U.S. Department of State

The Lessons of 1989: Freedom and Our Future