États-Unis (1) Instruction and study (1) Dynamics (1) Revival (1) Assaying (1) Observations (1) Observations (1) Protest movements (1) Rooms (1) White collar workers (1) Time (1) Syndicalism (1) Social movements (1) Scientists (1) Power (Social sciences) (1) Negotiation (1) Literature (1) Justice (1) Janitors (1) Immigrants (1) Extremities (Anatomy) (1) Embargo (1) Cuatro (Musical instrument) (1) Concord (1) Comprehension (1) Building (1) Breast (1) Branches (Business enterprises) (1) Analysis (1) Labor unions (1)