United States, Soviet Union is the correct answer.
There was a war called Cold War following World War II between those two nations.
Hope this helps~
Answer:
Like Soghdiana, Khwarazm was an expansion of the BMAC culture during the Bronze Age which later fused with Indo-Iranians during their migrations around 1000 BC. Early Iron Age states arose from this cultural exchange. List of successive cultures in Khwarazm region 3000–500 BC: Keltiminar Culture c. 3000 BC
Explanation:
The correct answer to this open question is the following.
Although there are no options attached, we can say that the major factor in spurring on Iran's development of nuclear weapons in the 1980s was the victory of the Revolutionary forces in Iran, that overthrew the Shah, the last one that ruled over Iran. So in 1981, after the civil war ended, Iran authorities decided to continue the development of nuclear weapons as a way to defend the sovereignty of the country. In that time, the Soviet Union decided to support Iran sending expert scientists to help Iran to develop its own research program.
