Answer:
B) Mountains protected the region from invaders and D) Rivers flooded, providing fertile soil and water for irrigation.
Explanation:
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Answer: a tribe with many villages.
Explanation:
It resulted in a stalemate which meant that the USA had a distant threat but still a threat it also resulted in a trading partner and a loyal Allie in the pacific area
Industrialization involves factories. New factories need workers. A majority of these workers are people moving to cities looking for the new jobs.
The answer is D.