The only correct answer is;
B) They locked workers out of the property and refused to pay them.
Hope this helps.
I personally feel that most of the working citizens in America, today only work so they get payed and they have something to look forward to after they have retired from working their whole adult lives. It's nice to be treated every once in a while when you've done something great. It's even a possibility that a good hand full of people might even quit working just because they don't have something to look forward to. Maybe if they got payed more and put it away for a rainy day they might not complain, but there is always a chance.
B. It is protected through courts deciding when freedom of speech is violated.
Courts do not decide when freedom of speech is violated completely.