1. What are some of the key environmental forces that have changed the way projects are managed? What has been the effect of these forces on the management of projects? 2. How does a communication plan benefit the management of projects? 3. What questions does a project objective answer? What would be an example of a good project objective? 4. Drawing ADN Networks Draw a project network from the following information. What activityjies) is a burst activity? What activitylies) is a merge activity? ID Description Predecessor A Identity topic None B Research topic A C Draft paper B D Edit paper C E Create graphics C F References C G Proof paper D, E, F H Submit paper G