Answer:
C) tend to be similar in race, ethnicity, and SES
The Continental Congress was formed in Philadelphia in 1774 with representatives from twelve of the thirteen colonies.
For example, this quote states that "The First Continental Congress met briefly in Carpenter's Hall in Philadelphia, Pennsylvania, from September 5 to October 26, 1774. Delegates from twelve of the thirteen colonies that would ultimately join in the Revolutionary War participated."
It is NOT illegal for the president of the US to interfere in labor disputes.