Building techniques improved, iron became more common, and hydraulics were used to dig riverbeds deeper. So less floods happened that destroyed farms and endangered lives.
Answer:
D
Explanation:
Blackstone's works helped the American colonists understand their rights according to English common law because Blackstone made those laws approachable. The Americans fought a revolution, won, and then found themselves faced with the task of actually doing what they had wanted: building their own government.
Answer:16
Explanation: easy, first you multiply 3 and 2, you get 6, and 6/12 is 2, and 2*3 is 6, then add 6+10, then you get 16
Generally speaking, a civilization whose impact can be felt on history for a very long time can be called a "lasting civilization", since the things they put into effect have "lasted" throughout the years.