How Did the Corn Laws Affect Britain's Economy

How did the Corn Laws affect Britain's economy?

A) They allowed people to buy corn at reduced prices, thus helping the economy.
B) They ruined the economy because they relied heavily on imports from other countries.
C) They gave nobles a monopoly on grain, leading to higher food prices which hurt the economy.
D) They gave the British an opportunity to charge high tariffs, which led to improvements in the British economy.