The study of this is psychology and you basically just go off of your experience. But, there is not any actual way to read the mind yet discovered by our technology.
An official count of the population is the census.
Answer:
Greek Influence on U.S. Democracy One important tenet of this system is democracy, in which the ultimate power rests with the people. In the case of the United States, that power is exercised indirectly, through elected representatives.
The political structer changed during the gilded age because a lot of the leaders became rich during this era, causing them to be more invested in business politically.