The biggest reason was the existence of the European Alliances. Countries were pulled in due to alliances with other countries The alliance system was a primary reason why many European countries were pulled into conflict. Germany, for example, was obligated by a treaty to support Austria-Hungary.
The three most important facts are:
-Power comes from the people. Democracy is a form of social organization that attributes the ownership of power to the whole citizenship. In fact, the Preamble of the United States Constitution starts saying: "We the People", what shows us that the power over which the United States stands comes from the people.
-Citizens of the United States have guaranteed rights. US citizens' rights are guaranteed by the United States Constitution, the supreme law of the country.
-Citizens have certain responsibilities and duties. In the same way that rights are guaranteed, citizens have certain duties and obligations to fulfill, in order for society to function harmoniously and peacefully.
