The Rio Grande, Sabine, and Red River are examples of - A. latitude lines that create national borders
B. rivers that are polluted by religious rituals Cl C. physical features that create political borders D. physical features that are currently the source of a violent conflict Od

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protected civil liberties and outlawed slavery in the new territories.

they had many gains 1 one freedom for slaves the major cause of the civil war is that the   north wanted freedom for slaves but the south didn; t creaitng the civil war

another gain they have is poltiical influence

poltiical influence is a big thing everywhere even now peoplle are always trying to get the head up in poltics thats what they did by giving the republicians a good name for freeing slaves