He improved the army and the roads, and created a navy
Europeans wanted exploration in the 15th and 16th centuries for the belief that there was emense wealth in undiscovered countries. For example, king Ferdinand and queen Isabella of Spain sent Christopher Columbus on an exploration to find gold or other precious metals. When he landed in America, he didn't find gold but he knew he'd be punished for returning empty handed so came up with the idea to enslave indigineous people as an alternative form of wealth
C) Texas sought to gain independence from Mexico, due to Mexico's government changing from a democracy to a dictatorship.
Texas saw the laws in Mexico as arbitrary and tyrannic in many ways. It reminded them of how British used to treat the colonies, maybe worse. They did not want to follow the rules of Mexico.
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