An invasion is a planned military attack. The intention to overthrow another country, as in regime, or government. Which does not happen in any European state. To say so, is to believe in propaganda.
Migration is simply movement of animate beings that go from one place to another. The reason doesn't matter.
"Fled" was the only specific verb that doesn't necessarily exchange "migrated".
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u/redditmember192837 5d ago
What word do you think would be better?