Evaluate the extent to which the Mexican-American War (1846-18 48) marked a turning point in the debate over slavery in the United States, analyzing what changed and what stayed the same from the period before the war to the period after it.
(Intro Paragraph)

The marshall plan rebuilt europe after ww2

It can the reader to have a broader understanding of the point or main idea of a passage/essay. if you use words with similar meanings throughout a written work, it can show the reader that the words reflect the key idea of a passage. this can really you to understand what is going on, and reflect on some key ideas and phrases that were mentioned in said written work.i hope this !