In addition to controlling annual floods, the Three Gorges Dam . A. employs thousands of rural Chinese workers B. directs water to irrigation canals C. serves as a major tourist attraction D. provides hydroelectric power

D. provides hydroelectric power

Explanation:

The three Gorges Dam also provide hydroelectric power adding to the Chinese national grid.

This dam is located on the Yangtze river. It was basically designed to control floods but was soon converted as a source of hydroelectric power.

Dams have water potential that are desirable for generating hydroelectric power. It is the world's largest hydropower project. The dam was completed in 2006.

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: