n the very north of Spain, in what are now the regions of Galicia and the Basque Country, the terrain is what it was then: very rugged and mountainous. This limited the ability of the Muslim armies to conquer the region, and as a result, the Muslims decided to leave the Christian kingdoms alone.
I belive the right answer is: Terán recommended the increase in trade between Texas and Mexico so that Texans would be discouraged from trading with the United States
You have not provided answer options, but by far his most famous is discovering gravity. There are other important contributions, like his three laws of motion.
