The executive Power shall be vested in a President of the United States of America… Each State shall appoint, in such Manner as the Legislature thereof may direct, a Number of Electors… The Electors shall meet in their respective States, and vote by Ballot for two Persons... The Person having the greatest Number of Votes shall be the President… " Which difference between American and ancient Greek democracy does this passage demonstrate?

Unlimited citizenship vs. limited citizenship
Indirect democracy vs. direct democracy
Secular government vs. religious government
Executive branch vs. judicial branch