What is a caucas? who holds the first one?

Caucus is a meeting held by supporters of a specific political party. This term was originated in the United States of America. Later other countries adopted the method as well. The first caucus was held in Iowa.

Explanation:

Caucus is a meeting held independently by a group of followers to discuss the ongoing strategies. They brainstorm ways which will benefit the party. Local members of the community help.

This system has been proven beneficial for the political parties.

one of the main reasons was definitely slavery. back in 1861, republican abraham lincoln was elected and ended up being a major influence in the slavery business. slavery greatly affected the texas economy because back in 1845 during the annexation of texas, slaves became a big part of the texas population. many texans that were in favor of the secession influenced groups through party ties.

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.