When did the U. S. gain some land claims in Oregon? With
whom did we have to share?

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Explanation:

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c.) biotic: snails; abiotic: temperature climate

the church governed the society after the empire fell.   constantine took charge of rome and ended the confusion which had over religion and made christianity as the only religion and that started ruling the roman empire. he also divided the empire into two and fortified the eastern part.   he ruled the eastern part.