Because going to the moon is incredibly expensive, and no other country has decided to commit the resources.
The US is the only nation to have set foot on the moon, all conspiracy theories aside.
Sorry, the only nation who has had the privilege of walking on the moon is the good old US of A.
If you are talking about physically visiting the moon in person, the US is the first nation to do so, and the only one to date.
The USA is currently the only nation of the planet Earth to set foot on the lunar surface.
The United States is the only nation that has landed a man on the moon, however, Russia has sent probes to the moon, things like that, and have attempted to put Russians on the moon, but the rocket crashed during takeoff. In layman's terms, the only country that put a man on the moon is the US.
Cuba
umm... the moon is the only moon Earth has :)
In 1969, the United States was the first, and so as it's known, the only nation state that has landed men on the moon. It began as an undertaking under the Administration of President John F. Kennedy. It paved the way for several more US manned missions to the moon.
The US did not form any homeland for the Jewish people. The only nation the US has formed is the US. Nor is a nation a homeland.
US is at war with no nation; only terrorists.
Russia -- Russia never landed on the moon. Only the US has actually landed on the moon, no other nation has done so. There are many conspiracy theories claiming other nations have, but the stories don't stand up to examination.
Only the US have sent men to the moon