This is a bit tricky, but in general, it is climate change that is the source of the greatest disagreement among American politicians, because some people still think it doesn't exist.
Manifest destiny basically means that it’s (in the case of US history) the United States Destiny, by God, the expand into all of America
Answer:
"The rule of law," means that no person or government is above the law and no government or its officials can enforce laws that are unfair or unjust.