What Was the Purpose of the Charter Act of 1813

What was the purpose of the Charter Act of 1813?

A) To restrict the British East India Company to trade through factories at Bombay and Madras.
B) To allow Queen Victoria to be crowned Empress of India.
C) To eliminate rigid separation between Europeans and Indians.
D) To eliminate sati and allow Hindu widows to remarry.
E) To curb the control of autocratic government by dividing political oversight between London and British East India Company.