Which describes a major social effect of the industrial revolution in Europe

Which of the following can you infer about the napoleonic code from the map? it was influential in europe, but its influence did not spread overseas.most european countries rejected it.it was influential in the development of legal systems throughout europe.it was short-lived in a few european countries, as most countries reverted back to their own legal systems.

Why is it useful for historians to base certain studies on the analysis of historical periods

Ineeed the answer asap which of the following describes the link between u.s. foreign policy and the rise of islamic extremist leaders in afghanistan during the late 20th century? apex