Which of the following geographic features made a trade with Arabia challenging for the Mali Empire during the Medieval period?

What was the 1787 constitutional convention? !

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: (

How does your prior knowledge you better understand “civil disobedience”? give specific examples, and discuss parts of the passage that your pre-reading thought process you to understand.