What is a common characteristic of a successful speech’s structure?

If someone wants to inform or motivate an audience, or even has other objectives, usually, it means that they have to make a speech. It's very important that the communication be clear and efective. There are many guidelines to achieve this, for example: know the audience; get their attention; get organized etc. One very powerful tool to help the audience remember and retain what is being communicated is the Repetition. This is a common characteristic of a sucessful speech's structure.

lincoln declared that slavery should not be allowed to spread into the new states, and of course this angered the south at the time.

your answer is

to dominate europe

and i know for a fact it can't be the others