European colonization of the Americas

European colonization of the Americas began as early as the 10th century, when Norse sailors explored and settled limited areas on the shor...

Settlement of the Americas

Settlement of the Americas' is of intense interest to archaeologists and anthropologists. Modern biochemical techniques, as well as acc...

Climate of the United States

The climate of the United States varies due to differences in latitude, and a range of geographic features, including mountains and deserts....

Immigration to the United States

Immigration to the United States is a complex demographic phenomenon that has been a major source of population growth and cultural change ...

Race and ethnicity in the United States

The United States has a racially and ethnically diverse population. The census officially recognizes six ethnic and racial categories: White...

List of countries and dependencies by population

This is a list of countries and dependent territories by population with inclusion within the list being based on the ISO standard ISO 3166-...