A reason that Christian churches in Rome and Constantinople began to diverge was they could not agree on the divine nature of Christ as opposed to the human nature, with the East believing in a more "theoretical" Christ.
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al-Qaeda, U.S.
https://www.bbc.com/news/world-middle-east-14704951
Answer:
Phylogenetic tree reveals evolutionary relationships between different organisms, their common ancestor, and descendants.
They are territory of the United States, but not considered a state.