What best defines definition of bicameral

What was america's response to the holocaust before the war? what could the us have done differently?

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

What is the name for the main idea behind the settling of western lands by americans in the early-1800s?