english: But by 1949, the Soviet Union had decided it was unacceptable to have us as the only nuclear power, and they began to match what the United States had developed.
non_english: Fakat 1949 da Soviyet Birligi suna karar verdi sadece bizim nukleer guc olmamiz kabuledilemezdi, ve Birlesik Devletlerin gelistirdikleriyle denklesmeye basladilar.