State-Enforced Athiesm = Banning Churches, Actively Denouncing Religion, Tearing down Religious symbols, etc.
Examples: USSR, Communist China, etc
Secularism = Removal of Religion from the State (and vice-versus), you can still go to church, you can still pray, still have your cross necklace when appropiate, etc. You cannot get into Office and tell people they are going to hell, and put them in prison for being gay. In the same light, this applies to all religions, what you believe in your own time is nothing to do with the state, unless you try to enforce your religious beliefs onto others against their will. You can still be elected and say you are a Christian, but it doesn't affect your work in office. This allows people the freedom to practise any religion as they are not discriminated against.
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