What river is arguably the most important river in the United States and flows from Minnesota southward to New Orleans? a. Mississippi River

b. Tombigbee River

c. St. Lawrence River

d. Colorado River

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.