Under the one drop rule how many black blood does one need to be black?

The following doesn't include the following Races
Hispanics, Latinos, south Americans or other Latin population as most slaves had been absorbed by the Indigenous peoples who help runways escape and intine got absorbed into the Indigenous Indian populationbtribe of central south and Spanish territories
One known great grandparent
One known grandparent
40-50%
20-30
1-10
At least 0.0001%
Select gender and age to cast your vote:
Under the one drop rule how many black blood does one need to be black?
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