Patton wanted to spread the south american culture and religion but he was afraid it would create racial and religious problems and bring aggression or hate towards it.So you can use these thing in more details with including other people in it opinion related to the problem.
Was a prominent african in london, a freed slave, supported the british movement to end the slave trade.
Gawain wears the green girdle as a symbol of his weakness - he failed to finish what was asked of him, and he started wearing the girdle to show his failure.