It is, or course, a probability. Space has many surprises, in fact, an Ateroid nearly hit earth recently. But, in all seriousness, it most likely will be a very long time before that ever happens.
After returning there were several cases of racist attacks against these african-american soldiers by other white soldiers.
Also during red summer mass violence and mob violence occurred and over the course of 3 days hundreds of black people we killed.
So to be honest there was a lot of racism and segregation was still present.
Basically supporters of the free silver movement thought that bimetallism would help the economy by causing inflation. This would help farmers and others who had too much debt.
The difference between the two are the differing systems of their governments. Sparta is considered oligarchy, meaning ruled by the few, while the Athens is believed to have been a democracy.
If this helps then you're welcome!
(: