Why was the Republican platform of 1860 controversial?

The united states economy makes up how much of the worlds economy

Which answer best describes the u.s. national road? it ran from atlanta to baltimore and followed the railroad. it ran from new york to chicago and was made from wooden planks. it ran from massachusetts to ohio and ran parallel to the canal system. it ran from maryland to illinois and was made using macadam construction.

Supplies going to soldiers meant that there were shortages on the _