Which of the following is true of the Treaty of Lisbon that was signed in 2007?

A. It defined the European Commission's role in competition policy.

B. It brought the commission to the court for failure to act according to a European Union treaty.

C. It created the position of the president of the European Council.

D. It lifted barriers to competition in the retail banking and insurance businesses.

E. It created the Court of Justice, the supreme appeals court for European Union law.

C