Answer:
irrigation
Explanation: Irrigation was the process of pulling water away from the main source of water using small man made trenches. Irrigation has been used for thousands of years even by the earliest civilizations. Irrigation can be used to bring drinking water into a city but it is used mostly to water crops. Sadly Irrigation will eventually destroy the Lakes,Rivers, or even seas that are being irrigated from, take the Aeral Sea for example, once a beautiful sea full of water is now nearly an empty sand bed all due to extensive irrigation.
The answer is b. secede from the union.
1) british cotton manufacturers used the railroads to get cotton to the coast for shipment to england
2) colonial officials used railroads as a way to move troops quickly
hope this helps!
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