Help, I’m running out of time on this

What were three advantages the north had in the civil war? it was fighting most battles on home ground. it had a greater number of soldiers. it had more highly skilled military leaders. it had a stronger navy. it had a better network of railroads. pick three .

Which of the following could be seen as a weakness of a two-party system? a. the two-party system limits voters' options in electing officials. b. the two-party system limits debate on issues. c. the two-party system limits the range of solutions that will be considered. d. all of these are weaknesses

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: (