Why did texans declare independence from mexico in 1836 document A, B,C, D answers?

On October 2, 1835, rebellious Texans took shots at Mexican soldiers in the town of Gonzales. It was barely a skirmish, as the Mexicans left the battlefield without attempting to engage the Texans, but nevertheless "the Battle of Gonzales" is considered the first engagement of what would become Texas' War of Independence from Mexico. The battle, however, was only the start of the actual fighting: tensions had been high for years between the Americans who had come to settle Texas and the Mexican authorities. Texas formally declared independence in March of 1836: there were many reasons why they did so.

congress also has implied powers, which derive from the necessary and proper clause of the constitution and permit congress "to make all laws which shall be necessary and proper for carrying into execution the foregoing powers, and all other powers vested by this constitution in the government of the united states.

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