posted by Anonymous .
One more question...
Which of the following statements is true regarding the construction of transcontinental railway?
A. Most worker on the Central Pacific leg of the railway were Chinese.
B. The Sierra Nevadas were the most difficult obstacle of the union Pacific Railroad.
C. Construction began in Omaha, Nebraska, in 1863 and in Sacramento, California, in 1865
D.Most workers for the union pacific railroad were Chinese.
I think A OR C