This excerpt provides one example of which constitutional principle

Checks and balances "That if any person shall write any false, scandalous and malicious.writings against the government of the United States, or ...stir up sedition within the United States then such person shall be punished by a fine not exceeding two thousands

during the 20th century, the role of the vice president has evolved into more of an executive branch position. now, the vice president is usually seen as an integral part of a president's administration and presides over the senate only on ceremonial occasions or when a tie-breaking vote may be needed.