Progress may pertain-to a nation.Logical formLearned from506 sentences. A nation can be unified.Logical formLearned from504 sentences. A government may pertain-to a nation.Logical formLearned from503 sentences. Courts may pertain-to a nation.Logical formLearned from499 sentences. A nation can be wealthy.Logical formLearned from498 sentences. Communities may pertain-to a nation.Logical formLearned from497 sentences. A summit can be constituted-of-or-filled-with nations.Logical formLearned from497 sentences. Dozens can be constituted-of-or-filled-with nations.Logical formLearned from497 sentences. A nation can be stable.Logical formLearned from496 sentences. A flag may pertain-to a nation.Logical formLearned from496 sentences. A defense may pertain-to a nation.Logical formLearned from495 sentences. An industry may pertain-to a nation.Logical formLearned from494 sentences. A threat can be to a nation.Logical formLearned from491 sentences. A heartland may pertain-to a nation.Logical formLearned from488 sentences. A country can be among nations.Logical formLearned from486 sentences.