Explanation:
faithfully executive laws
Ooo, history! I got this one :D
The stamp act was what required a tax to be paid if you exchanged documents. The act was made by the congress, and it allowed those who paid their tax to have a stamp on their document!
The system of checks and balances in the US Federal system protects Democracy as it keeps the Executive or Legislative branches from acting unconstitutionally and not abiding by the Democratic process.
The answer for this question is ll only