It depends on how the sentence is structured. Both can be correct, though in speeches usually in support of is correct.
Speeches are structured. Speakers have time limits and listeners do not interrupt. Information is organized, planned, prepared, researched. Speeches required more formal language. Speakers talk louder, avoid fillers such as long pauses, "you know" "um" and "like". Conversation is spontaneous. You don't need to research information. It is informal. It also freely back & forth or unstructured. You don't need to organize information.
Political speeches are usually persuasive speeches.
Oratorical speeches are scripted, rehearsed, and delivered in a formal and structured manner with well-thought-out arguments and rhetoric. Extemporaneous speeches, on the other hand, are delivered without prior preparation and require the speaker to think on their feet, drawing from their knowledge and experience to address a topic spontaneously.
the different types of prepared speech is the impromptu talk,extemporaneous talk,memorized speech,speaking with notes and speaking from a manuscript...although they are different from each other,all they have some advantages and disadvantages....you know my favorite speech preparation is the extemporaneous talk because even though it has an disadvantages,it has a very nice advantages than other types of speech preparation...the advantages is that you can have an eye contact to the audience and also they go on in the flow of my ideas that you deal with..
Political speeches are usually persuasive speeches.
he had a total of 24 speeches
The purpose of a formal speech is to inform, persuade, or entertain an audience on a particular topic in a structured and organized manner. Formal speeches are often delivered at events, conferences, or ceremonies to communicate key messages effectively.
The plural of the word speech is speeches.
The three main purposes of speeches are to inform, persuade, and entertain. Informative speeches provide information, persuasive speeches aim to influence beliefs or behaviors, and entertaining speeches engage and captivate the audience.
The anagram is the plural noun speeches.
The Sophists made political speeches.