Political Dimensions of Language..the words presidents use!!

After reading and scanning through many of the presidents we have had throughout the numerous amount of years, I came to the conclusion that many of the presidents used and still use many of the same words. President Obama still uses the most popular word  "Nation" in many of his speeches. Following right behind are the words "Government", "World", "People", and "Peace". In my opinion, most of these presidents chose these words because several of them mean or refere to the same thing. For example, Nation and World are very similar, they may not mean the exact same thing, but they both have a big picture in mind. Maybe this is trying to say that America really has not changed that much over time, we happen to be fighting for the same things just in much different ways. One thing I did seem to notice was the word "Government" was almost always the most popular word used all the way from Washington to Hoover. "Nation" was used, but rarely ever the most popular amoungst them all. It was not until Franklin D. Roosevelt when "Nation" started being the most popular word used (including Obama). This is something that caught my attention and I wonder why this was the case. Overall, this was a very interesting activity to do; I had no idea that these were the words that happened to be used the most in presidential speeches.