No, this is false!
The area called the "Rust belt" is called like this because it used to be an important place for the industry, but it's not anymore, so the machines can be said to have gotten "rusty". This is the reason for the name, not the weather.
Explanation:
this is very difficult as Brainlist you have a good day at work and I will be there is no way to get to the bottom of this email and I will send the
Answer:
A, They mapped the land and reached the Pacific Ocean, helping the US set claim.
Add-on:
I hope this helped at all. I'm sorry if its incorrect.