Buenas tardes me ayudan gracias ​

In the conclusion of the radio broadcast war of the worlds, orson welles:

What reasons does the speaker provide to support his viewpoint or claim in what to the slave is the fourth of july i read to speech and but i just don't fully understand the question i just want to make sure i get it right so to explain that the question is asking me to do. and you!

Truth is one that’s been valid for centuries.