Answer:They are widely believed to have significant consequences for states' security, but agreement stops there. In the debate over their consequences, one side holds that arms races increase the probability of war by undermining military stability and straining political relations.The United States' use of nuclear weapons to end World War II led to a determined and soon successful effort by the Soviet Union to acquire such weapons, followed by a long-running nuclear arms race between the two superpowers. The Soviet Union conducted its first nuclear test in 1949.In 1949, the USSR tested its first atomic bomb. This led to a race between the two superpowers to amass the most powerful nuclear weapons with the most effective delivery systems. ... Tension was greatly increased as a result of the developing arms race which served to militarise both sides and bring war closer.
Explanation:
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Because this country accepts everything and anything and anyone and everyone from other countries.
B. The entrance way (sorry if I am wrong)
Answer:
columbian exchange
Explanation:
The Columbian exchange, also known as the Columbian interchange, named for Christopher Columbus, was the widespread transfer of plants, animals, culture, human populations, technology, diseases, and ideas between the Americas, West Africa, and the Old World in the 15th and 16th centuries.
The direct cause of WWI was the assassination of Archduke Franz Ferdinand at Sarajevo on 28 June 1914.