OPTIONS: (I). dam more rivers; (II). to move people; (III). protect them; (IV). vacation in Norway; (V). Move to another area; (VI). build more snow machines; (VII). scrap all steam locomotives; (VIII). Electric generators;

Fact 1: Damming a river can cause a lake to form. Fact 2: You can also water ski on Lake Mohave north of Davis Dam. Given the two facts above, to open more areas for water skiing, engineers could?
Answer:
(I).