PLEASE HELP!!!

Which statement highlights the difficulties faced by those working on the Panama Canal? A) Workers had to clear and level mountains so that the entire length of the canal would be at sea level.
B) The treaty allowed only Americans and Panamanians to work at the site, resulting in a severe worker shortage.
C) Workers had to dig out tons of earth in rugged, jungle-filled terrain under hot, tropical conditions.
D) Because there were no railroads in Panama, railroads had to be built first in order to move workers and equipment to the site

Question

PLEASE HELP!!!

Which statement highlights the difficulties faced by those working on the Panama Canal? A) Workers had to clear and level mountains so that the entire length of the canal would be at sea level. 
B) The treaty allowed only Americans and Panamanians to work at the site, resulting in a severe worker shortage. 
C) Workers had to dig out tons of earth in rugged, jungle-filled terrain under hot, tropical conditions. 
D) Because there were no railroads in Panama, railroads had to be built first in order to move workers and equipment to the site

anonymous · Answer

a is not true ships still have to go through locks and change elevation by something like 85 feet is I recall c sounds right it is certainly true d not true there was already a panamanian railroad but it had to have lot of work http://www.pancanal.com/eng/history/history/american.html b there was a treaty (if you could call it that) in 1903 -- but I don't see that it had anything about labor restrictions...ah here is a source: http://books.google.com/books?id=t5WfEXhFftwC&pg=PA37&lpg=PA37&dq=worker+shortage+panama+canal&source=bl&ots=LHv8mIL360&sig=-_rS0mTDxv2rVNgLKB89lwOI8zU&hl=en&sa=X&ei=5NIdUentEpS60QHIyoGABw&ved=0CEkQ6AEwBQ#v=onepage&q=worker%20shortage%20panama%20canal&f=false lots of workers from lots of places to b is false