How many presidinds are in the US?

What is the relationship between the principles of federalism and the sepAration of powers as suggested by montesquieu and detailed on the constitution? When was an election won by one vote? How did the enlightenment and the great awakening affect the established order? How did progressives sought to create income tax? What is the significance of the Philippine assembly during the American occupation? What civil war general was known as the grey ghost? Why has policy become nationalized? What are the two types of representative government in America? When did the term 'credibility gap' come into widespread usage? Which US Presidents served in the House of Representatives? What are the disadvantages of a single party government? The 1830 debate between Senators Daniel Webster and Robert Hayne focused on? What would not happen if the Supreme Court votes 9-0? Why should you conserve your old history building? Average attendance at a major league baseball game in 2006? What eats reeds? What is definition of House of Burgesses? Who is the adviser of the president constitutionally? What word means the concept that each branch of government has the ability to stop the other branches of government from getting too powerful is called what? Did Nellie McClung become part of the government.In what position?