What problems does the nile delta region face?

coastal erosion, potential impacts of sea level rise, water quality deterioration, and sea water intrusion.

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

answer; people where able to travel across the u.s.a faster than any other mode of transportation,travel time was about a week,from coast to coast