If the atomin bomb didnt work. The preident (Harry Truman) would launch an all-out attack on Japan that I would estimate kill as much people as 20 atomic bombs.
The Atomic Bomb
It's not clear what kind of alternative universe history book you're reading, but in this universe Truman did use the atom bomb against Japan.
Franklin Roosevelt- but he died before the atomic bomb was used. Harry Truman was the next president, and ordered the use of the atomic bomb.
the atomic bomb
One thing that was not a major factor in the decision to use the atomic bomb was civilian casualties.
One thing that was not a major factor in the decision to use the atomic bomb was civilian casualties.
In general, a fusion bomb (hydrogen bomb) is more powerful than a fission (atomic) bomb. Fusion bombs use an atomic bomb to begin the fusion reaction.
The US dropped the atomic bomb onto Japan on August 1945.
japan
It is the other way around, the use of the atomic bomb played a role in the weapons race.
four million people would have did if we did not use the atomic bomb
As a noun. You could always go with "My teacher asked me to use "atomic bomb" in a sentence." Let us know how that works out for you.