Which of the Following Statements Describes Disraeli's Most Impressive Legacy

Which of the following statements describes Disraeli's most impressive legacy?

A) He granted the vote in national elections to men and women.
B) He was principally responsible for officially creating a British empire.
C) He prevented the passage of the Trade Union Act, which would have removed most restrictions on labor organizing.
D) He conceded the Indian request for independence.
E) He created and maintained the Conservative political party, which governed Great Britain continuously for two decades.