" It carried the natural resources of the West-minerals, timber, crops, and cattle-to eastern markets. In turn, trains brought miners, ranchers, and farmers west to develop these resources further. "
Source : jiskha.com
Hope this helps
Joseph Lister, 1st Baron Lister, OM PC PRS (5 April 1827 – 10 February 1912), known between 1883 and 1897 as Sir Joseph Lister, Bt., was a British surgeon and a pioneer of antiseptic surgery.
Answer: he was.a.big there at so they had to follow orders.
Explanation:
what I got on Google
Answer:
I believe it was malaria, but correct me if I'm wrong.
Explanation:
The control of malaria was essential for the construction of the Panama Canal. The discovery that malaria was transmitted by mosquitoes had an immense impact on development programs in the tropics.