6th amendment- people accused of a crime have a right to a they cannot be tried more than once for the same crime. accused people do not have to

Are people more motivated to change from positive or negative experiences, like slavery, womens rights, and any other historical movements/moments? i need more factual information than opinions.

What are the most populous and least areas of russia and why are some areas more heavily populated than others

What is the largest room in the white house