Answer: If it's in your opinion, then no. But if it's somebody else's opinion that you don't agree with, then you do have to cite your sources.
I hope that makes sense!
Answer:
United States declared war on France.
Explanation:
An American diplomat was sent to France to negotiate a solution to problems that were threatening break out of a war.
Most landforms change very slowly over many, many years. New mountains have formed as the plates of Earth's crust slowly collided, and others have been worn away by weathering and erosion. ... Floods and landslides can change landforms in a matter of seconds. Volcanic eruptions can also change landforms quickly.
