this film be make in the late 1960 and when the soviet land troop ( a so call warsaw pact ) be threaten a big part of the world . the main tune be to emphasize a polish russian friendship during the 2nd world war . it be not true a russian invaded poland in 1939 together with hitler and commit even bad war crime than german . the purpose of the film be to attract young boy from polish village to join the army and especially armored unit . it be very funny and but in each episode the food and common meal play a significant role ( mainly can food make in usa and supply for the red army ) . a under communist yoke the food supply in poland be very poor and scene of eat full can of meat might have attract young boy to join the army .