Why did the 1861–1865: civil war cause a change in the makeup of the power balance between local, state, and national government ?

Explanation:

The outcome of the Civil War resulted in a strengthening of U.S. foreign power and influence, as the definitive Union defeat of the Confederacy firmly demonstrated the strength of the United States Government and restored its legitimacy to handle the sectional tensions that had complicated U.S.

a factory opens that mass-produces light bulbs.

explanation:

not sure if that's an answer to your questions but this is an example! : )

the correct answer is a