What do both presidential and parliamentary democracies have in common?

Hope you get this correct!:)

Explanation:

Presidential: Democracies in which the government does not depend on a legislative majority to exist are presidential. Parliamentary: Democracies in which the government depends on a legislative majority to exist and in which the head of state is not popularly elected for a fixed term are parliamentary.

they both have a ruler

Explanation:

as if the usa is run by the president so others have kings

where is the rest of the question. this isn't making sense. can you upload a picture of the question?

answer; win because bill had a legal right to drink alcohol;