Talks can be on an expansion.Logical formLearned from25 sentences. Details may pertain-to an expansion.Logical formLearned from25 sentences. Economic activities may undergo an expansion.Logical formLearned from25 sentences. An end can be to (settlement expansion).Logical formLearned from25 sentences. An expansion can be self-sustaining.Logical formLearned from25 sentences. (Trade ties) may undergo an expansion.Logical formLearned from24 sentences. Some phases can be constituted-of-or-filled-with expansion.Logical formLearned from24 sentences. Expansion can be from contraction.Logical formLearned from24 sentences. A pace of expansion may slow.Logical formLearned from24 sentences. An expansion can be comprehensive.Logical formLearned from24 sentences. Lands may undergo an expansion.Logical formLearned from24 sentences. An (expansion pack) may be released.Logical formLearned from24 sentences. An expansion can be high.Logical formLearned from24 sentences. Coach may pertain-to an expansion.Logical formLearned from24 sentences. Railways may undergo an expansion.Logical formLearned from24 sentences.