Future Failures
"Manifest Destiny" was the 1800s idea that the United States was destined to expand its dominion and spread democracy and capitalism from the Atlantic east-coast to the Pacific west-coast, "from sea to shining sea".
In the 2500s, "Manifest Destiny" was revived by Humanity's United Government of Earth for the expansion of humankind to extend not only from sea-to-sea, but from star-to-star.
However, in time, it became clear that humanity was not the only species to do so...