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.
You ask a question that you don't regarding school subjects and others who come across your question and know how to answer will help you and reply
Answer:
2 things one is this a joke question and 2 its D
Explanation:
Answer: D
Explanation:
Brown v Board of Education was a landmark case generally viewed as the end of segregation in schools
The answer is B two years I hope this helps :)
