The first attachment is the requirement of the presentation, the second and the third one is the prompt and a sample data set which mentioned in the requirement, and the last one is the planning which I write. You need to write a 500 words speeches according to the above material. Thank you very much. 

I need a presentation about the homeland secouity act (2002)

What is the homeland security?

Why does it happend?

What happend about it?

What is the most changes of it?

4-5 slides.