A massive change in the way that goods are manufactured. A. Assembly Line

B. Transcontinental Railroad

C. Factories

D. Industrial Revolution

it is a bolivia your welcome

hello,

answer: a federal government has final authority on interstate/inter provincial  and international affairs, a confederation is one where the central/national government or authority is governing body what does not have final say over the same matters. hopefully this and i will try again if you don't like this answer : )

best of luck!

a factory opens that mass-produces light bulbs.

explanation:

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