I would assume B<span>. seriously threaten to defeat the Soviet Union' as the question already highlights A and C and they were allied with Japan so they wouldn't push them to surrender.</span>
It was Homo erectus.
This species is extinct. It is believed to be the first fossil about 1.9 million years ago. Many believe it looks like an ape. Homo erectus is the ancestor of morden human beings.
The answer should be representative I hope this helps