Which section of a research paper should contain the main idea?

What are that three unifying characteristics of chordates

Was the us justified in using the atomic bomb on hiroshima and nagasaki? why or why not?

Select the correct answer from each 1. ( )was a nineteenth-century artistic movement that influenced nationalism in europe. it emerged as a reaction to the emphasis on 2. ( ) in enlightenment philosophy. 1. liberalism, socialism, romanticism 2. reason, emotion, religion