The difference between Christianity and Catholicism

[Creaky]

I can see why most of the bishops complied back then.

https://en.wikipedia.org/wiki/Homoousion

Because Arianism was considered false and it wasn’t just Constantine who decided on Arianism as a heresy, it was a council of elders including Constantine who disagreed with Arianism
not big on Wikipedia for Christian explanations
https://www.thoughtco.com/arian-controve...cea-111752

The Nicene creed was decided at the council of Nicaea, think it’s pretty good
It was the Nicene creed that ended the Arianism heresy