Is a line on map that connects two points bof equal evevation

Explanation:

Contour line, a line on a map representing an imaginary line on the land surface, all points of which are at the same elevation above a datum plane, usually mean sea level. The diagram illustrates how contour lines show relief by joining points of equal elevation. Encyclopædia Britannica, Inc.

primary groups shape your individual development

explanation:

they were destroyed coming out of the civil war but after he war they were booming. if you need an in-depth answer follow up with me  

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