They all believe in one God, their holy book derives from the Torah somewhat, they generally have the same ethics (don’t kill, don’t steal etc.)
However, Jews are still waiting for a messiah, Christians are waiting for the Messiah Jesus to come again, and Muslims are a bit of a mix, Messianism is alien to Sunni Islam but it is a central belief in Shia Islam.
The war ended British hegemony over Europe and showed that France was now a great power too. Joan of Arc's death and battles motivated Frenchmen to unite even more against British and eventually they won the war and became a power to be reckoned with in Europe.
