Final answer:
The historical figure Tisquantum, or Squanto, portrayed in each is b. false because historical events and figures from American history and seeks to examine the validity of statements regarding these subjects.
Step-by-step explanation:
Given the context provided, it's clear we're dealing with historical accuracy, involving figures like Squanto and events like King Philip's War and the role of the Iroquois Confederacy during the Revolutionary War. Considering the statements given, King Philip's War indeed began after a praying Indian who had attended Harvard, John Sassamon, was found dead under mysterious circumstances, and three Wampanoags were executed for his murder. The Proclamation of 1763 was indeed enacted in response to Pontiac's Rebellion, a Native American uprising against British colonization.
Finally, Sir Walter Raleigh was indeed the mastermind behind the attempted colonization of Roanoke Island. Thus, some statements reflect historical events accurately, while others are myth or oversimplification. The answer is option b.