The Constraints on Federal Action Have Now Weakened Because

The constraints on federal action have now weakened because

A) the courts have altered their interpretation of the Constitution in ways that have not only permitted,but sometimes even required government action.
B) public opinion has changed in ways that support an expanded role for the federal government.
C) political resources have become more widely distributed.
D) public opinion has changed to support an expanded role for the federal government and political resources have become more widely distributed.
E) All of these choices are true.