It's impact was i started all over the world
Roman Catholic nominated for president.
The power of judicial review is one example of courts interpreting the Constitution.
Judicial review refers to checking if an act, or a law, is passed and implemented according to the Constitution. It is the role that courts have to play in the American law-making process, so that is why this is the correct answer.
The reasons why World War I happened are multiple and complex. One important is the fact that Germany lacked any real colonies prior to World War I, at least compared to the other nations which had massive and important colonies such as Great Britain or France. Another thing was general dissatisfaction and nationalism within the Austro-Hungarian empire.