Select the three reasons that motivated men to join the crusades.
to claim jerusalem from the turks
to improve methods of warfare
for adventure
to increase their knowledge of the muslim faith
for riches thing

to claim Jerusalem from the Turks

for adventure

for riches thing

Explanation:

Although the main reason why the Crusades started was deliberation of Jesus Christ's tomb in Jerusalem from unfaithful ones, of course there were other reasons included,

Knight wanted adventure and were seeking richness and lands, and the Papal state offered them this when starting the Crusades.

i think that the answer is polishing peanuts

independent innovation during the abbasid caliphate