In 2008 president barack obama enjoyed widespread support among democrats and others, despite what unique characteristic for a presidential candidate?

The correct answer is:  

Barack Obama was the first Black Candidate to Lead a Major Political Party.  

At the 2008 Democratic National Convention, Obama prevailed over Senator Hillary Rodham Clinton, after a historic campaign.  

By becoming the first African American presidential candidate for a major party, he broke racial barriers all over the world.  

in 1803 the louisiana purchase took place, doubling the size of the country. by 1840 almost 7 million americans had migrated westward in hopes of securing land and being prosperous. the belief that settlers were destined to expand to the west is often referred to as manifest destiny.

explanation:

increase in population