Of which war do you speak..?
Depends on Emperor, but mainly was the army. The army conquered many lands such as the land now called England. They even got as fair to Asia, before being pushed back. As well when conquering those lands, they gained Servus or slaves. That could then go to be a Tiro, or Auxilia. With all of that brought power and wealth. As well a lasting image of how terrifying the empire was.
I had that question its number 2...
answer is 1810
<em>Hi there! I'd be happy to answer, please correct me if this is wrong :)</em>
Cherokee, Chickasaw, Choctaw, Creek, and Seminole
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<em>Hope this helps! ^v^</em>