Which empresario brought in the "Old 300" and settled them between the Brazos and Colorado Rivers, near the Gulf of Mexico, because it had so many abundant resources?

Stephen F Austin brought in the "Old 300" and settled them between the Brazos and Colorado Rivers

Explanation:

Stephen F Austin was an Empressario who created Austin's Colony, which was the largest colony in Spanish Texas.  He granted the lands initially for 300 families creating the first colony of AngloAmerican immigrants in the area. They worked in rural activities as the lands near the river were cheap and suitable for this.

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.

the answer your looking for is c. : )