Which of the following councils is recognized for addressing Arianism and establishing the Nicene Creed?

The Council of Nicaea, held in 325 AD, is primarily recognized for its role in addressing the Arian controversy, which revolved around the nature of Christ and his relationship to God the Father. During this council, the Arian position, which argued that Christ was a created being and not fully divine, was condemned. In response to this theological challenge, the bishops gathered at Nicaea formulated the Nicene Creed, a statement of faith affirming the divinity of Christ and his consubstantiality with the Father. The creed was crucial in establishing a unified Christian doctrine and countering the spread of Arianism.

This significant event laid the groundwork for future discussions about Christology and the nature of the Trinity, shaping Christian belief across the centuries. The Nicene Creed became a fundamental text in Christian liturgy and theology, underscoring the importance of the council in affirming core Christian beliefs.