Question 1 of 22 Which feature of the U.S. government is an expression of the concept of federalism? O A. The powers of the federal government are divided into three branches with a system of checks and balances. B. The Constitution is defined as the supreme law of the land. C. Certain powers are given to the federal government, while others are reserved for the states. OD. States have equal representation in the Senate but proportional representation in the House of Representatives.​