D) The assassination of Archduke Francis Ferdinand of Austria by Gabrilo Princip in the Black Hand Gang from Serbia sparked tensions in Europe. Austria demanded apology from Serbia and had Germany to back it.
Hi there!

Plessy v. Ferguson ruled that "Separate but equal" public facilities were constitutional, thus permitting the practice of segregation under Jim Crow laws in the South and separate facilities for African Americans.
Therefore, the correct answer is C, that the decision allowed Southern states to legally segregate facilities and institutions.
Answer:
How should we judge a historical
figure such as Christopher
Columbus? (was he a terrible
murder, or should we value his
historical contribution. Or
anything in between)
Explanation:
<span>need more information</span>