The sentence that would best serve this purpose of adding evidence to support the thesis is Johnson recalls the pride and national unity created at the height of the national space program.
This is because it is using powerful emotional appeals and testimonials by mentioning the pride and national unity created at the height of the national space program.
This refers to the process of trying to convince a person about a particular viewpoint through persuasive appeals.
Hence, we can see that The sentence that would best serve this purpose of adding evidence to support the thesis is Johnson recalls the pride and national unity created at the height of the national space program.
This is because it is using powerful emotional appeals and testimonials by mentioning the pride and national unity created at the height of the national space program.
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