Answer: going to Heaven and becoming rich
seeing the glories of the Muslim world and taking them back to Europe
Explanation:
To obey the Pope's call to free the Holy city from the infidels and ensure access for pilgrims. St Bernaud of Clairvaux wrote in 1140, Of mighty soldier, oh man of war, you now have something to fight for. If you win it will be glorious. If you die fighting for Jerusalem, you will win a place in heaven.
To be forgiven for past sins. The Pope offered forgiveness for anyone who took part. This was important for knights who had killed many people in battle.
To see the world, have an adventure and prove their bravery.
To get land overseas. This was tempting for a younger son who would not inherit his father's lands.
Serfs, peasants who belonged to their lord, joined the Crusades because the Pope promised them their freedom if they went.
To gain wealth.
Kings encouraged troublesome knights to go on Crusade because it got them out of the country.
