États-Unis (1) Education (1) Casualties (1) Commerce (1) Volume (Cubic content) (1) Revenge (1) Production (Economic theory) (1) Politics, Practical (1) Political science (1) Passer (1) Negotiation (1) Migrant labor (1) Mechanical movements (1) Immigrants (1) Freedom of movement (1) Food conservation (1) Authors (1) Classification (1) Classification (1) Political and social views (1) Movements (1) Losses (1) Migrations (1) Migration (1) Emigration and immigration (1) Effectiveness (1) First performances (1) Racionamiento alimentario (1) Venganza (1) Mecanismos (1)