| A | B |
|---|
| picket line | workers walk in front of their employer's building protesting a working condition |
| strike | workers stop working as a group to object a working condition |
| closed shop | owners agree to hire only union members |
| boycott | workers encourage the public to stop using/buying a product or service |
| yellow dog contract | owners hire only those workers who agree to NOT be in a union |
| blacklist | owners identify troublemakers and inform other owners not to hire them |
| collective bargaining | both workers and owners discuss issues together and try to compromise |
| scab | a non-union worker hired to help an owner break a strike |
