How successful were the revolution movements of 1830 and 1848?
only the greek revolution was successful.
the liberals won in the ottoman empire.
very successful. each revolutionary group achieved its goals.
none of the movements achieved their goals.

The best option would be that "None of the movements achieved their goals" in the long run, since although some democracy was achieved, new dictatorships quickly emerged throughout Europe. 

Dhariiet beecher stowe

The president of the united states does not have the authority to “limit” the power of the judicial branch. however, the president can influence the political direction of decisions made by justices on the supreme court through the nomination process when a position becomes available.i would say the best answer is that he can at least interpret the laws