Problem: According to a report discussed in the textbook, which statement reflects the issue of a lack of safe drinking water on reserves? a. The interaction of federal and provincial regulation complicates ensuring clean drinking water on reserves. b. Access to safe drinking water is a serious issue in many communities in Canada, reserve communities are no more likely than others to have this problem. c. The challenge of ensuring clean drinking water on reserves has been almost entirely solved in the last 25 years. d. The building of new treatment plants on reserve is the intervention necessary to ensure that these communities have access to clean drinking water.