How did the Crusades reflect the growing strength of medieval Europe?

The Crusades showed the growing strength of midieval Europe by conquering the Levant of the much powerful Seljuq Empire. It also showed the growing strength as Europeans as they became more involved in the world as Venice controlling trade in the Levant, between Europe and Asia. Genoa grew as a long time power as it dominated trade in Western Mediterranean. A growth in economy in states in Spain such as Catile and Aragon ended Moorish Spain and showed their might with massacres of Muslims and Jews. The Crusades saw unity in their states as they could topple Byzantines, Prussians, Jews and Muslims. A growth in trade lead to an increase of power and money that allowed them to conquer Cyprus, Crete, Thessalonki and Mediterranean Islamic pirates of Adriatic Sea. It showed society and European countries fill the power hole of the waning Byzantine Empire.