Explain how new inventions and innovations changed Americans' lives
there were two technological innovations that profoundly changed daily life in the 19th century: steam power and electricity. The railroad helped expand the U.S.. The telegraph, the telephone, and the typewriter brought people together that were far away.
hope that hint helped ❤
President Lincoln.
The Secession were basically the Southern states that withdrew from the Union to form the Confederacy.
A.
The Americans were able to find out about the planned attack the Japanese were plotting; and were able to counter it.
The Japanese got most of their navy whipped.
