Answer:
DDT, a type of harmful pesticide
Explanation:
Answer:
It did not rely on enslaved laborers.
Explanation:
This is because they did have slaves as the lowest class, but they did not rely on them to build things. The only times they relied on the slaves was when they needed extra soldiers for wars, or needed something built urgently.
Answer:
State governments couldn't do the job well on their own.
Explanation:
Strategies to improve water quality in the region include making it illegal for people to use public water facilities for personal uses such as boating, and making sure that water resources get proper anti-bacterial treatments. <span />
