1964. America had small families and long life; Vietnam had large families and short lives. And this is what happens: the data during the war indicate that even with all the death, there was an improvement of life expectancy.
1964年 米国は小家族で長寿 一方ベトナムは大家族で短命です その後こうなります 戦争中のデータを見ると 戦争による多くの死者にも関わらず 平均余命が伸びています 戦争が終わる頃に