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.
The Yellowstone Act of 1872 designated the region as a public “pleasuring-ground,” which would be preserved “from injury or spoilation, of all timber, mineral deposits, natural curiosities, or wonders within.” For a nation bent on settling and exploiting the West, the creation of Yellowstone was surprising.
Under the Articles of Confederation, Congress lacked the authority to regulate commerce, making it unable to protect or standardize trade between foreign nations and the various states.
Social/Economic justice.
Environment
National Security (end war on terror)
Health care (universal)
Answer:
to amend the Articles of Confederation