Answer:
A. State governments tend to be more responsive to social movements than the federal government because they are able to test out new programs on a smaller scale.
Explanation:
The given data shows many relevant features about state and federal authorities.
It is noticeable that state governments have reacted more actively to these socio-economic matters, than the federal authorities. Though they may have needed time to react and form plans, it is still more active.
Social media has evolved into the image at a much succeeding stage and is only appropriate to concerns after the mid-2000s, or so.
Besides, there are no such measures that a social movement requires to be first certified by a portion of the states.
Also, the federal government doesn't decline to practice the federal tribunals; it is just that the juridical means follows a hierarchy of tribunals.