What are three acquisitions that greatly expanded the territory of america before the civil war?

The largest lake in south america is lake titicaca?

In the united states the largest number of sheep are raised in the a. west b. north c. east

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