Answer: There are no Greeks because you didn't put any options
Explanation: Can you please put the question on here, and edit, so we can see which of the "following" are Greeks??
It was Plessy v.
<span> Ferguson</span> that upheld the doctrine of "separate but equal" this decision was later overturned by the landmark case of Brown v. Board of Education.
Silk, common currency, fireworks.
Those are the main three I know of.