@electronicmail,
Try these 2 for starters. They can't both be true.
You believe in Manifest Destiny.
You don’t know what Manifest Destiny is.
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Of course they can. There are numerous rallying points that are part and parcel of US propaganda and there are many bumpkins for which that's all these things are. They're used like the flag, they're just props, used to make the passage of a ring thru their noses easier to do.