Answer:
Looking at the image provided, it is most likely a poster or Propaganda published by the French. It's goal is to have citizens or people who encountered this poster to hate the Germans (or the Huns as they call) or think badly of them. In the poster it says "This Hun who bombed, burned, and pillaged" and so on. To someone that doesn't know Germans themselves will most likely believe what it says. Their goal is to make sure the citizens think what they think: Germans are horrible and dangerous.
Currently myself, right now, wouldn't have been affected. Because I know what a Propaganda's goal is. To sway people or build "nationalism". But most Propagandas are fake and contain little truth. Similar to churches and Bibles, but what's different is that this is a mostly opinion based poster.
After all this Propaganda is published during the WW1. The hate and anger is well seen though the Propaganda. The French government want the French citizens to think lowly of the Germans. As rude, arrogant, violented, selfish, etc. people.
"Why would Germans do such thing? Such nasty, horrible, inhuman, people!"
I don't think this will impact us today because, we have had education. We already learned to think for ourselves. Plus we know about WW1 and Propaganda. Plus their uses.
"Oh Bonjour! I am a French, and you are one too! Let me tell you, you can't possibly think goodly of the Huns! Look, posters everywhere! Listen to them. The Huns bomb here and there. You might also die within a blink of an eye for doing nothing wrong. They are dangerous, evil, and violent people. If you ever see a German, you must stay away! They are nothing but horrible group of people. Don't you see the war going on, so many deaths. 1 solider die in every 5 seconds under the German attacks! This is also proven (not). Stay away! The French governments and I are trying to keep you safe!"
Word Count for "Speech": 113