The historical event that the beginning of the Anglo-Saxon period roughly corresponds with is C. the Roman pull-out from Britain.
Both of these happened sometime in the 5th century.
<span>because of the Germans' decision to resume the policy of unrestricted submarine warfare.
Hope this helps.</span>
Trinity Test in 1945 <span>was the </span>code name<span> of the first detonation of a </span>nuclear weapon. The test was a part of the Manhattan project that is led by the United States. The result of the Trinity Test led to the people involved conclude that it is a very dangerous weapon.