this is a misconception. America is not a democracy

1 a: government by the people ; especially : rule of the majority b: a government in which the supreme power is vested in the people and exercised by them directly or indirectly through a system of representation usually involving periodically held free elections
democracy - Definition from the Merriam-Webster Online Dictionary

1 a (1): a government having a chief of state who is not a monarch and who in modern times is usually a president (2): a political unit (as a nation) having such a form of government b (1): a government in which supreme power resides in a body of citizens entitled to vote and is exercised by elected officers and representatives responsible to them and governing according to law (2): a political unit (as a nation) having such a form of government c: a usually specified republican government of a political unit <the French Fourth Republic>
republic - Definition from the Merriam-Webster Online Dictionary

yes, rationally thinking about it, republic is a form of Democracy right? except that majority does not rule necessarily. and that creates all the fiasco about our awkward electoral system.

remember that just a few years ago, popular vote would have chosen another candidate, while electoral vote chose the other guy?

until this is not change, expect to live it the way we have lived so far
I dont even know why our govt wants to expand democracy to the world, if we are really intending to help them, we should give them our great system which is a republic.

More on the real differences: Democracy vs Republic | Democrats.com

now, the thing u r talking about that u are limited to only choose between the 2 parties, well that doesn't happen in a 'democracy'

all the above given, both systems have their own cons and pros