1939-1945 1940 aliens atrocities civilrights combatantsandnoncombatants(internationallaw) cuba detentionofpersons etc excavations(archaeology) executionsites governmentpolicy guantánamobaynavalbase humanrights katynmassacre katynʹ krijgsgevangenkampen lawandlegislation laws legalstatus massamoorden mensenrechten polen(volk) prevention prisonersofwar russen russia terrorism unitedstates worldwar