Answer: Pollution is the introduction of harmful materials into the environment. These harmful materials are called pollutants. Pollutants can be natural, such as volcanic ash. They can also be created by human activity, such as trash or runoff produced by factories. Pollutants damage the quality of air, water, and land.
Explanation:
Answer:
Treaty would draw nations into a new war and hence it was opposed.
Explanation:
It was Senators Borah and Johnson who denied to pass the Treaty of Versailles as they believed that this Treaty would require sending of American troops to the Europe in order to settle European disputes.
Also, there can be parting of the league of nations which shall draw nations into a new war.
The practice of making accusations of supervision or treason without the proper reguard fot evidence