What was a provision of the magna carta?
a. kings power expanded
b. a step toward providing nobles with legislative authority
c. trial by jury of peers
d. expanded rights to all english citizens

B is the correct answer. The Magna Carta was signed in the early 1200s between the English King John and the barons of the country. The agreement laid out that John would rule fairly and not abuse his power. He had to sign it because he had broken feudal law.

B

Explanation:

Olive oil & wine were their main exports, so they would trade something they had a surplus of for something they didn't.