What is the collective action problem? how might it be applied to the challenges of managing climate change? what are some of the political solutions to the collective action problem in the case of carbon dioxide emissions?

answer; i believe that the correct answer is ; the eastern and western churches spoke different languages;

the factors that the economies of the muslim empires prosper were:

1- land trade routes-located between three continents  

2- sea trade routes

trade contributed to the spread of muslim empires, and with that islamic culture led to a growing feeling of internationalism resulted in the transfer of technology, science, and other cultural forms.

your answer would b. the missisipi river

hope i you : )