C if not please answer back .
During World War II, the United States and the Soviet Union fought together as allies against the Axis powers. However, the relationship between the two nations was a tense one. Americans had long been wary of Soviet communism and concerned about Russian leader Joseph Stalin’s tyrannical rule of his own country. For their part, the Soviets resented the Americans’ decades-long refusal to treat the USSR as a legitimate part of the international community as well as their delayed entry into World War II, which resulted in the deaths of tens of millions of Russians. After the war ended, these grievances ripened into an overwhelming sense of mutual distrust and enmity.
It was the population policy of the 21st century.
When 20th century ends, the desirable social goal
was sustained and broadly accepted from local and regional levels to the world.
To most citizens of America, the population is not really an issue, but it has
been for the past decades because low population may mean demographic issues.