Federalism limits the power of government in the United States through the creation of two sovereign powers: the national government and state governments. In this way, it regulates the influence these have. Separation of powers establishes internal limits; it divides government against itself, giving separate functions to different branches and compelling them to share power, so neither of them becomes predominant.
By separating powers, these are split among the executive (president, vice president, Cabinet), legislative (Congress, House of Representatives and Senate), and judicial branches (Supreme Court and other courts), which are definite departments of American national government.
The answer is B) The Allies began their invasion of Nazi-occupied France
The President's Challenge Program is a fitness evaluation designed for "<span>elementary and high school students" since the President and First Lady believe that it is important to correct bad eating habits early in life.</span>
The Zimmerman Note was a note sent from Germany to Mexico asking Mexico to align itself with German interests. If the US entered the war and if Mexico opposed the US, the reward would be Arizona California and one other state -- perhaps Texas. It was a major contributor to the declaration of war on Germany by America.
The sinking of the Lusitania was another major event. When the Lusitania was sunk, 2000 people were affected.
Submarine warfare really aggravated the US. Many merchant ships were sunk.
Answer: B