<span>This is a misuse of common decency. Society is based around the idea that we all respect one another, and our individual space. Digging through someone else's trash is most certainly a violation of their privacy</span>
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.
Because the need to "repeal" amendments was sometimes necessary and desired by the people, as in the 18th amendment.
They bring people together to control the government, develop policies favorable to their interest and to persuade voters to elect their candidate to office
The indirect approach, focusing on logic, because I don’t have a reliable reputation with my audience yet and wouldn’t be considered a reliable source.