Question

select the correct answer.
which of these events happened when the united states dropped the first atomic bomb?
a. the formation of the iron curtain was announced.
b. the soviets honored their promise to declare war on japan.
c. the united states established a containment policy.
d. japan surrendered.

Explanation:

• Option A: The Iron Curtain speech was in 1946, after the atomic bombings (1945), so A is incorrect.
• Option B: The Soviet Union declared war on Japan on August 8, 1945, the same day the first atomic bomb was dropped on Hiroshima (August 6, 1945) and before the second on Nagasaki (August 9). So this event happened around the time of the first atomic bomb drop.
• Option C: The containment policy was part of the Truman Doctrine in 1947, later than 1945, so C is incorrect.
• Option D: Japan surrendered after the second atomic bomb (August 15, 1945), not right after the first, so D is incorrect.

Answer:

B. The Soviets honored their promise to declare war on Japan.