They used dry farming and flood irrigation.
Southern Secession is the event or issue that historians can gain.
Yes, the yes answer to your question is going to be True. This is because it is the only relevant answer choice there is.
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The US proved that it had the industrial strength and man power to become a world power
Answer:
Explain why the invention of rubber tires for bikes contributed to the rise of tourism. ... It was cheaper than using a horse - in fact there was a whole craze around using bikes. Bikes actually created the concept of better roads - for travel by bike, not cars, which were too expensive.