Explaining What was a major difference between Latin-speaking
Roman Catholic Christians and Greek-speaking Eastern Orthodox
Christians?

The Filioque was a major difference between Latin-speaking Roman Catholic Christians and Greek-speaking Eastern Orthodox Christians.

Explanation:

The Filioque is a Latin term of Christianism that separated Catholic Christians and Greek-speaking eastern orthodox Christians because it defines the idea that the holy spirit comes directly from the father without the existence of the son. Saying that Jesus Christ himself is not the son of God and not a god.

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