Tuhia he haere tonu mō tēnei wāhanga - I muri i te pakarutanga o te Spanish Civil War, haere ia ki Spain, tae reira i roto i Oketopa 1936, i roto i te Pakanga mo Madrid
He aha? I uru atu ia ki te Rima Motuhake Motuhake o te XI International Brigade, i whakahaua e Valter Roman. I te 1937, i uru ia ki nga pakanga o Brunete, Quinto-Belchite me Teruel. I te marama o Tihema 1937, i te wa o te whakaeke whakamutunga, i whara tona waewae, engari kaore a Cristea i whakaae ki te haere ki te hohipera, me te whakatau kia noho tonu ki te pakanga. I muri mai, i whakatairangahia ia hei rangatira, a ka riro ia hei rangatira mo te "Tudor Vladimirescu" Battery. I te Pakanga o te Ebro, he mahi nui tana i te whitinga o te awa. I whakahekehia i te taha o etahi atu kaitohutohu i te marama o Tihema 1938, i haere tonu ia ki te whawhai i Catalonia i te marama o Hanuere-Huhuru 1939.