The answer of this question is B because I read the book and It tells me that it is and I was reading it and I got the question so I am answering this question so Please give an brain list. <span />
The correct answer is B) Truman gave Japan an ultimatum to surrender.
<em>The event that occurred first in the summer of 1945 was that Truman gave Japan an ultimatum to surrender.
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In July 1945, President Truman received the notification that the test of the atomic bomb had been a success. On July 26, 1945. President Harry S. Truman gave Japan an ultimatum to surrender. The ultimatum was backed by England and China. It was called the Potsdam Declaration. Eventually, Truman ordered to launch the bomb over the city of Hiroshima on August 6, 1945.
