Should the U. S. be able to prevent other countries from developing nuclear power?

We should use nuclear power instead of other sources of energy because it can produce high levels of electricity without causing damage to our environment and atmosphere. ... Nuclear power plants produce less pollution than many of our other current energy sources, including coal fire and natural gas plants . I dont think us will be able to prevent other countries from developing nuclear power because  us is also developing nuclear power and 1 country cannot stop countries more than 150 ..

allowed for the prediction of the properties of missing elements.

this is more of a statement than a question. is there answers to go along with this, or is it opinion based?