Answer: he went it so he knew what he was talking about. So they couldn't just say you weren't a slave you don't know what you're talking about.
Explanation:
Opportunities were strong friendships and feeling patriotic about US. Hardship: training didn’t prepare you for intensity & terrible conditions of war , homesickness, boredom , returning home injured, damaged & fear of death.
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There's nothing a government can do to clean it up as long as 100 million
people keep dumping in it, and that will continue until an alien life form
spontaneously rises out of its sacred waters some moon-lit night and
terrorizes some town's people.