Where did noah curse cain?

Answer 1

Cain was not cursed by Noah, according to the Book Of Genesis, but by God directly.

From the Hebrew scriptures, in the 4th chapter of Genesis, we read that Cain, son of Adam, murdered his brother Abel out of jealousy and was cursed by God with a two-fold penalty: first, that he would be forever homeless, without roots or family or friends; the second was that any attempt to farm or harvest would prove mostly fruitless. However, God did give him a mark/sign/warning/omen that would both identify him and also serve as a warning to anyone who would contemplate killing him.

Post-destruction Jewish scholars speculated that the first curse entailed a physical deformity of one kind or another, and Armenian & Syrian Christians interpreted the curse as black skin. In later centuries American protestants (and some European protestants), especially the Baptist tradition, used this interpretation to justify segregation, exclusion from ministry, and other racist treatment against people of African descent. The Mormon religion (Latter Day Saints) also had institutional bans against people of African descent, and in 1978 changed its doctrine.