What were three factors that contributed to American culture?

Three factors that contributed to American culture are:

1. Immigration: The United States is often described as a "melting pot" because of the many different cultures that immigrants have brought to the country over its history. Each group of immigrants has contributed their unique traditions, languages, foods, and beliefs, which have all become part of the diverse cultural landscape of America.

2. Geography and Regional Diversity: The vast and varied geographical landscape of the United States, from the coastal shores to the Great Plains to the mountain ranges, has played a significant role in shaping the cultural characteristics of different regions. This diversity in the physical environment has led to different ways of living, regional accents, local customs, and distinct regional cuisines.

3. Historical Events: Significant historical events, such as the American Revolution, the Civil War, the Civil Rights Movement, and the cultural revolutions of the 20th century, have all left indelible marks on American culture. As the country has evolved and adapted to these events, Americans have developed a sense of national identity that includes values such as freedom, democracy, and innovation.