Why did the Emperor Constantine call the Council of Nicaea?

It was convened by the emperor Constantine to resolve the controversy of Arianism, a doctrine that held that Christ was not divine but was a created being.

Explanation:

in griswold v. connecticut (1965), the supreme court ruled that a state's ban on the use of contraceptives violated the right to marital privacy.

b) the confederacy had to pay all union war expenses.