The temperance movement sought to address which public issue

The temperance movement sought to address the public issue of the consumption of alcoholic beverages. 

The change to waterways that is the only result of human activity is D. chemical pollution. Chemicals were created by humans, so it is only natural that this would be the only man-made cause to change these waterways. Erosion, temperature fluctuations, and flooding can occur without human interference, but rather they can be created by natural causes only.