Why was it important to always have a canal or waterway next to a field?

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

Sparta faces threats from without and within the city-state who posed these threats.

What was the historic border between the united states and mexico?