Which historic agreement in 1215 was aimed at establishing the privileges of the English barons?

Magna Carta

In the game Dixit, players try to match cards based on subtle clues — what's depicted on these cards? Which U.S. state's capital city is Carson City? Who is the "Piano Man" singer-songwriter? What farming crisis in the late 20th century involved bank foreclosures and widespread losses among American farmers? Which mathematician is called the ‘father of geometry’?