Which body of water does the st. lawrence river flow into? atlantic ocean lake superior pacific ocean gulf of mexico

Which of the following two groups did not do battle with the romans? select all that apply.

In 1816, john c. calhoun proposed that: a. that the federal government aid in the construction of roads and canals to improve transportation to and from the west b.the united states should end slavery. c.the united states should increasing the size of the navy and invade central america. d. the united states should annex hawaii

The expansion of the railroad networks led to