By 380 CE, Christianity was the official religion of D. the Roman empire.
<h3>What is Christianity?</h3>
It should be noted that Christianity are the followers of Christ and those who practice the religion.
In this case, by 380 CE, Christianity was the official religion of the Roman empire.
In conclusion, the correct option is D.
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Answer: The domination of other European countries.
Explanation: The way it relates is because both Allied forces and Central powers wanted to dominate more land to defeat their opponent.
Answer:
Western European and Venetian Crusaders.
Explanation: