Supreme court head of the judicial branch
They are more commonly known as the bill of rights.
Answer: When the author said "the cause of America" is "the cause of all mankind, he is referring to the worldwide plight of people under oppressive government and all of those individuals are struggling against them, the struggle for the cause of America is a symbolic statement for the struggle for the cause of humanity worldwide wherever the same kind of circumstances are found.
James Madison, John Jay, and Alexander Hamilton.
Because they wanted to. Maybe they wanted careers. They where searching for something? Ask a veteran.