D. A Texan being prevented from writing a letter to his senator about a controversial topic.
D. To replace the Native Americans
D. It allowed their populations to grow quickly.
The gold- for-salt trade (Answer B) played a significance role in success of west African civilization. The civilization of west Africa was based on trade .The gold was the main commodity in trans saharan trade. traders used to exchange gold for something west African prized more example salt.
The U.S. had Superior Firepower. American cannon crews had roughly double the effective range of their Mexican counterparts and their deadly, accurate fire made the difference in several battles
