It was the "B. Plebeians" who made up the majority of the roman population and became citizen-soldiers during the time of war, since these were the "common" people as opposed to the elite.
Hostilities began in 1754 and ended in 1763 that is the reason that it is called the seven years war
If both parties involved are blaming the other for the start of the battle, the historian should try to get the statement of a 3rd party witness, preferably one that is impartial and a first-hand witness. This makes the 3rd party witness more credible. This also avoids any self-serving motives of the the US and Iraqi forces.
The answer is C, the Taft-Hartley Act restricts the activities and power of labor unions. One of the things it does is prevent labor unions from stopping employment of someone who does not want to join a union.