The u. s. evacuated vietnamese
a. who spoke english as a second language
b. who had family already in the united states
c. whose lives were at risk if they stayed behind
d. who were wounded or in need of medical care

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.