Which of the following six founding institutions of the EU has powers that are primarily executive in nature, but also political, legislative and administrative in cooperation with other institutions?

General control procedures

A) are usually sufficient to protect internal validity. B) include a carefully selected and randomly assigned control group. C) include preparation of the setting and replication. D) include replication and a carefully constructed control group.

Which of the following can NOT be found in the Constitution?

a. Checks and balances b. Impeachment c. Political parties d. Congressional elections e. Bicameralism