B. chung to kha nang can thi~p tr& l?i bing quan sµ
cua MI vao miSn Nam r~t h?n chS .
C. bu(>c MI phai tuyen b6 "phi MI h6a" chiSn tranh xam luqc Vi~t Nam.
D. ma d~u cho CUQC t6ng tiSn cong
va n6i d?y tren toan miSn Nam.
Cau 31: Sau khi ki Hi~p dinh Par[r]