<The 21st century space race is a global effort to return humans to the moon. It is a continuation of the space race that began in the 20th century.
At this time the United States and Russia, also called the Soviet Union, raced to see who could do more in space. The two nations were fighting a Cold War against each other. In this war actions were important. Sending a man to the Moon first would show that the United States was a leader in the world>
