Which Statement is the Best Caption for this image

Answer is A

A. The relationship between state governments and the federal
government has become more cooperative over time.
B. The relationship between state governments and the federal
government was most cooperative under the system of new
federalism.
C. The relationship between state governments and the federal
government shifted many times over the years and is
now less
cooperative than it once was.
D. The relationship between state governments and the federal
government has been the same since the founding of the nation.