Answer:
Explanation: 1) Stalin became the dictator of the USSR.-late 1920's
2) Khrushchev became the general Secretary - September 1953
3) De-Stalinization began- 1953 after Khrushchev achieved power
3) Sputnik was launched- May 1957
4 Yuri Gagarin became the first man in space-April 12, 1961
The correct answer for the question that is being presented above is this one: "Software and operating systems became much more complicated." one impact of reducing the size and cost of computers is that <span>Software and operating systems became much more complicated.</span>
A Constitution is: <em>C</em>
What was the first constitution of the USA: <em>D</em>
Shortly before the Civil War, Rockefeller and a partner established a shipping company in Cleveland, Ohio. The company made so much money during the war. In 1863, he and his partner invested in another business that refined crude oil from Pennsylvania into kerosene for illuminating lamps.