What were the real reasons that coca was taken out of Coca Cola? Do these reasons mean that cocaine was not or is not harmful?

Reflect on two documents: (To receive full credit, you must respond and comment on two other students)
(1) Why we Took Coca Out of Coca-Cola
(2) Cocaine out of Coca-Cola_Blacks

Questions:

What were the real reasons that coca was taken out of Coca Cola?

Do these reasons mean that cocaine was not or is not harmful?

How then could you still justify the prohibition of Cocaine by the government of the USA