Explain who were the Muslim Moors who invaded Spain ?

The Moors were the Muslim inhabitants of the Maghreb, the Iberian Peninsula, Sicily, and Malta during the Middle Ages. The Moors initially were the indigenous Maghrebine Berbers.[1] The name was later also applied to Arabs.[2]

Moors are not a distinct or self-defined people,[3] and the 1911 Encyclopædia Britannica observed that "The term 'Moors' has no real ethnological value."[4] Europeans of the Middle Ages and the early modern period variously applied the name to Arabs, North African Berbers, and Muslim European

although the crusades failed to capture jerusalem, they had several major impacts on western europe. they increased the authority of the king: sometimes nobles died in battle without leaving an heir in which case the king got their land. kings passed taxes to pay for the crusades.

the mothers played a major role in confronting the government and ending the war.