After the end of the war…
After the end of the war – after those 8 years – the [Islamic] system was much stronger and much more capable than before the war, and [further] it proved to be even more powerful and more enthusiastic.
After the end of the war – after those 8 years – the [Islamic] system was much stronger and much more capable than before the war, and [further] it proved to be even more powerful and more enthusiastic.