In 1823, the what act emerged, stating among other things that europeans should not interfere with american nations.

The correct answer is:

The Monroe Doctrine.

The Monroe Doctrine was a United States policy that opposed European colonialism in the Americas. It declared that farther attempts by European countries to take control of an independent state in North or South America would be seen as hostile.

At the same time, the U.S. would acknowledge and not interpose with existing European colonies neither interfere in the internal affairs of European countries.

sonar maybe? ? i dont know the choices

me with my last question i posted