Answer:
Religion
Explanation: The passage notes that it was originally for religious purposes since their was freedom of religion in the New England colonies.
Answer:
The main feature is that the Justices are not elected by the people.
Explanation:
The US Supreme Court Justices are not elected democratically by the people but they are instead nominated by the President and then after their nomination confirmed the the US Senate. Furthermore, they are serving indefinitely as long as they uphold the good behavior and can cast down laws passed as unconstitutional by the officially elected representatives.
I'd say the combustion engine, even though it was toyed with in the mid-west during the cowboy era, it wasn't until after the Civil War in which it was a fully effective gasoline powered engine.
