When and what were religious crosses made from (MEDIEVALRELIGIOUS CROSS)

Catholicism. The sign of the cross is a prayer, a blessing, and a sacramental. As a sacramental, it prepares an individual to receive grace and disposes one to cooperate with it.

At first, they were scared to display it publicly in case they were persecuted or mocked. But after the Emperor Constantine converted to Christianity in the 4th Century, crucifixion was abolished as a punishment, and the cross was promoted as a symbol of the Son of God.