What was the most important feature that shaped the era of new imperialism but not the era of old imperialism

The Industrial Revolution was one important feature of new imperialism, which not only freed the colonies and began the formation of an independent state, but also declared bourgeois liberties while retaining the slavery of blacks.

it is the code of hammurabi

answer: nope

explanation: because theirs barely anyone on here to you. but let me see the question. maybe i can , if i know the answer!