IUGR has various causes. The most common cause is a problem in the placenta (the tissue that carries oxygen, food and blood to the baby).Birth defects and genetic disorders can also cause IUGR.UGR has various causes. The most common cause is a problem in the placenta (the tissue that carries oxygen, food and blood to the baby).
Making the world better, one answer at a time. Ethel Rosenberg was the person who played the minor role in the passing of the atomic secrets to the Soviet. He was later convicted for passing the atomic secrets to the Soviets.
He was also responsible for dropping the two atomic bombs on Japan in World War II.[iv]. Nikita Khrushchev was the leader of the U.S.S.R from 1953 to 1964 and could have potentially used information from the Rosenbergs to assist the U.S.S.Râs nuclear program.[v].he dropping of the atomic bomb in World War II and the start of the Cold War arms race influenced many aspects of life for the American people politically and socially.