YOU SAID:
Lisa and Samyak were in a war
INTO JAPANESE
リサとサミヤックは戦争をしていた
BACK INTO ENGLISH
Lisa and Samiyak were at war
INTO JAPANESE
リサとサミヤクは戦争中だった
BACK INTO ENGLISH
Lisa and Samiyak were at war
That didn't even make that much sense in English.