Best answer would be Alexander the Great.
European union would be correct
Answer: President Thomas Jefferson hoped that the Embargo Act of 1807 would help the United States by demonstrating to Britain and France their dependence on American goods, convincing them to respect American neutrality and stop impressing American seamen. Instead, the act had a devastating effect on American trade.
The foreign policy issue that was a motivation for American intervention in Vietnam was the idea of "containment" which sought to contain communist expansion where it was, as opposed to attempting to eradicate it at the source.