Hitler needed a way to blame all of Germany's problems on something, by doing this he could alienate the Jews and justify his hatred towards them
The president gets his/her power from Congress.
Criollos living in Latin America were inspired by Enlightenment ideals because they gave them a philosophical base for their aspirations for independence.
Enlightenment ideals are sometimes summarized through the French Revolution slogan: liberty, equality, fraternity. These ideals inspired the birth of a political identity of these groups that was formed by differentiation from Spain and by the desire for freedom from colonial domination.
Enlightenment made the criollos feel rightfully entitled to independence and freedom.