<span>C). Debris and other hazards
</span>
The waterways had several falls and the rivers were swift. the journey was also very costly. however there were no remains and dirt as the rivers by then were clean, fresh and unpolluted.
<span />
He wrote his works based on ideologies on what he believes the economy should be
Answer:
c
Explanation:
factory smoke caused pollution
C. is the answer because all the other one's can't be it..