Who was Samuel Adams and why was King George so mad at the Sons of Liberty? Be ready to remember such facts years after you study these CoursePics for your course subject. Can you recall from your 7th grade History class details of how the capture of Vicksburg helped secure the Unions Control of the Mississippi River? Neither did we until these CoursePics were created. We have created the most high yield US History CoursePics. You will find a memorable survey of American history from the Colonial Period and the American Revolution to the present day.