What contributed to the decision by US leaders to pass the Pacific Railway Act of 1862? A.
the rapid settlement of the American West

B.
conflict between settlers and American Indians

C.
British efforts to cut off access to trade with Europe

D.
high rates of unemployment among recent immigrants

the  seven  days  battles  were  a series of seven battles over seven  days from june 25 to july 1, 1862, near richmond, virginia,  during  the american civil war. the  seven  days ended with mcclellan's army in relative safety next to the james river, having suffered almost 16,000 casualtiesduring  the retreat.