Original sentence: Early WWII tanks had open vision slits which could be be fired through to kill the crew.Overall, the German solution proved to be more succesful and was later copied by the Soviets with their SU-85 and SU-100 SP AT guns
Edited sentence: Early WWII tanks had open vision slits which could be fired through to kill the crew.Overall, the German solution proved to be more successful and was later copied by the Soviets with their SU-85 and SU-100 SP AT guns