Which primary source provides evidence that columbus sailed to find a new route to the indies in 1492

a letter written by an official in the Spanish court who arranged a meeting for Columbus

ummm? is that supposed to be a question or a but this is a reason he won re-election

explanation:

"despite progress in the war, lincoln and most political pundits were convinced that he would lose his bid for reelection in 1864. the country was war weary and the democratic party's nominee, george mcclellan, was likely to negotiate a peace treaty with the confederacy if elected." - loc.gov

lots of people lost money in both