First to explore the st lawrence river

What is the connection among sectionalism,slavery,and states’right as causes of the civil war? how did the southern response to the 1860 election results demonstrate this connection

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: (

What percentage of people in britain lived in cities in 1850? a.) less than 5% b.)between 6 and 10% c.) more than 20%