<Li> undercutting of the slope by excavation or erosion </Li> <Li> weathering by frost heave </Li> <Li> volcanic edifice over-steepening </Li> <Ul> <Li> Afforestation </Li> <Li> Re-Afforestation </Li> <Li> Terracing steps on slopes (reduce angle of slope) </Li> </Ul>

What environments favor rapid rates of mass movements