This National Park Service video uses dramatization to give a good overview of events that led to the American Revolution.  A "minuteman" tells how the split with England began and why it widened over issues like the Stamp Act, etc.  Running time is 23 minutes.  $19.95 for the VHS tape.

   Available from the National Park Service (1-877-NAT-PARK):

America's National Parks
470 Maryland Dr.  Suite 2
Ft. Washington, PA  19034