Why were Americans so driven to expand across the continent? Was it simple greed, or did they have a different reason? Provide at least one piece of evidence in your answer. Why were Americans so driven to expand across the continent? Was it simple greed, or did they have a different reason? Provide at least one piece of evidence in your answer.

Match the following: 1. empirical the belief that an idea should be evaluated based on how it works 2. fundamentalism knowledge based on observation and experiment rather than theory 3. obtrusive to intentionally force ideas or intrude on others 4. pragmatism not religious or spiritual in nature 5. secular a religious doctrine that emphasizes a return to rigid principles