Why did we stop going to the Moon?

In July 1969 humans landed on the Moon for the first time, as part of the Apollo 11 mission. But why haven't we been back since the Apollo 17 mission in 1972?

The earthlings were here: What did Neil Armstrong leave on the Moon - Orbital Today

Why did humans stop going to the Moon? : r/NoStupidQuestions

Why Did NASA Stop Going To Moon ? Real Reason

Astronaut Explains Why There Hasn't Been a Moon Landing in 50 Years - Sapphire Builders and Associates

How long does it take to get to the moon?

Are We Entering a New Era of Space Archeology?

Why Did NASA Stop Going To The Moon?, Unveiled

Will we go back to the moon? If so, when? - Quora

Reversing Obama's Decision, Mike Pence Says NASA To Put Humans On Moon Again

Baraboo News Republic - Coming in Wednesday's News Republic: Journey along with the Apollo astronauts as they race to the moon in our exclusive 50th anniversary special report on the Apollo missions.

Why haven't we gone back to the moon? — WHYY

Op-ed Next stop: the moon - SpaceNews