How does the use of filibuster threaten the principles of unlimited debate and majority rule in the senat?

Which of the following would an isolationist support?

What was a northern objection to the kansas-nebraska act?

You are given the first four terms of an arithmetic sequence. why might you use a recursive formula? why might you use an explicit formula? under what conditions might a recursive formula be preferred over the explicit formula? under what conditions might an explicit formula be preferred over the recursive formula? pleasss ! sorry if it's a long question: (