The areas where rivers and streams drop from a high elevation to coastal plains, historically popular sites to establish cities, are called waterfalls fall lines lakes sinks

waterfalls fall lines

Explanation:

A fall line is an imaginary line that lies between the two parallel rivers at a point where the waterfalls. From the same height that is represented by a fall line. Formed at the upland and the coastal plain region. Where the river has eroded away the soft rocks more easily than those of the upland region.

The investiture controversy began as a power struggle between pope gregory vii (1072–85) and henry iv, holy roman emperor (1056–1106).[2] a brief but significant struggle over investiture also occurred between henry i of england and pope paschal ii in the years 1103 to 1107, and the issue played a minor role in the struggles between church and state in france, as well.by undercutting the imperial power established by the salian emperors, the controversy led to nearly 50 years of civil war in germany, and the triumph of the great dukes and abbots. imperial power was finally re-established under the hohenstaufen dynasty. historian norman cantor:

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