unverifiable claim

Which claim in the following argument does not rely on a wild generalization, vague claim, opinion, controversial claim offered without support or an unverifiable claim? That is, which claim could be the basis of an argument that doesn’t rely on the above

You should be vegetarian. Every time you eat meat, your meal is the result of the suffering and death of an animal. Besides, its disgusting to put a piece of dead animals’s carcass into your mouth and chew it. There is plenty of great vegetarian food, including tasty meat alternatives. Also vegetarianism is healthier than eating meat. One more reason to be a vegetarian is that you’d be joining the company of a long list of incredible people, from Leonardo da Vinci, Issac Newton, and Thomas Edison to Paul McCartney, Shania Twain, and Tobey Maguire.

Why is the following argument flawed? Having so disgracefully allowed her once-proud passenger railroads to fade into obscurity, America is honor bound to restore them now.