Before Genghis Khan could begin creating the Mongol Empire, what did he have to do first a. Unite the warring Mongol Tribes b. Build the Grand Canal c. Defend his people from the Ottoman Empire d. Teach the Mongol Tribes how to use weapons

the best answer is b.

hope this : )

depends.

explanation:

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.

i only have part a but here is the first one: - lewis and clark are born

- lewis marries sacajawea and clark is jealous  

- clark drowns lewis and then goes to jail