Which development made it possible to construct this type of building? A)
The invention of new process for manufacturing steel
B)
The government's focus on educating engineers
C)The manufacturing of glass that blocks ultraviolet sun rays
D)
The importation of stronger kinds of wood

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

imma have to go   the third option

sorry if i am wrong hope this

if i am right plz give me brainliest