lower salery
Explanation:
Because building materials have become cheaper
By songs like the negro spirituals
September 3, 1783. Need those characters...
Answer:
What were the "cures" they had?
what were the early stages of the disease?
How was it spread?
The expansion of railroads created more ways for things such as general goods to be shipped elsewhere to buyers or companies. (Hope this helps a bit, sorry for such a short answer.)