As a result of the crusade by spanish knights, the only part of spain controlled by muslims was

The correct answer is - Andalusia.

Andalusia, or El Andalus as it is known amongst the Muslims, was the only region of Spain controlled by the Muslims after the crusades performed by the Spanish knights. Andalusia is a in the southern part of Spain, so it was the Muslim stronghold on European soil for quite some time since it is very close to North Africa and military assistance in a very short amount of time was always on disposal for this region. It is a region that even nowadays has kept on to its Muslim traits from the period of Muslim rule and it is a place on the European continent romanticized by most Muslims.

alliances in ww1 were different from ww2 because the entente in ww1 made up of serbia,russia,france,britan,japan and italy later america  and all allied in a sort of balance of power and too keep germany,austria-hungary,and the ottomans down. russia allied the serbians in order to exert its influence in the balkans while france allied the russians because france was still in dismay and insulted after the defeat to the germans during the unification of germany and britian allied the belgians after the germans invasion of belgium.in ww2 the alliances were in a preemptive attempt to deter any further wars into happening while germany and italy allied since they were insulted and humiliated after the previous war while also sharing a similar ideology of facsim along with japan which all 3 had a want for world domination and agreed to assist one another in the endevours 

explanation:

your answer to this question is true hope this