Answer: Huey P. Long was known for giving several speeches throughout his political career, so it depends on which speech is being referred to. However, in general, the purpose of Huey P. Long's speeches was to promote his populist and progressive political ideas and to rally support from the working-class and rural communities in Louisiana. He advocated for the redistribution of wealth, progressive taxation, public works projects, and free education, among other things. Long's speeches were often charismatic and persuasive, and he used his oratory skills to connect with his audience and gain their support.