Answer:
Travel across the US became much faster
Drivers could reach other cities quickly.
What president Lincoln suggest about how Americans should react to or act towards the rebels(confederates) by saying with malice towards none with charity for all ?
Answer:
Yalta: discuss Europe's postwar reorganization
Potsdam: agreement between US, USSR, and Britain, for military occupation and reconstruction of Germany
Might create more tensions between allies
<span>The development of a large merchant marine.
The invention and spread of steamboats.
The expansion of domestic shipping.</span>