The only one that makes sense is C. That would be the correct one...
Hi dear,
You actually didn’t write a question cuz we can’t find it’s value without any equation.
Answer:
In the early twentyith century alot of immigration caused a mass boost in population in the united states.
Salt was one thing they didn't bring if that helps. Salt was an item found under dried up riverbanks along the Saharan desert.
