The answer is C. stock market crash
By discovering nuclear energy
The answer to this question will be A. Losses ARE limited to the original investment.
I pretty sure its d but i could be wrong
The ghettos facilitated the eventual extermination because they were hurdled up in one place.
Ghettos were an Eastern phenomenon because of space and money issues which were more common in eastern Europe than in Germany.
Jews maintained hope through praying and through hoping that they would be able to sneak out of the country to somewhere else.
The invasion of the Soviet Union differed because the Soviet Union put up a much harder fight and wasn't overrun as was Poland at the time.