Final answer:
The Proclamation of 1763 was indeed a response to Pontiac's War, which was a conflict that prompted the British to limit colonial expansion and organize newly acquired lands after the Seven Years' War.
Step-by-step explanation:
The question asks about the historical background leading to the implementation of the Proclamation of 1763. The Proclamation of 1763 was indeed enacted partly as a response to Pontiac's War. So, the correct answer to Exercise 7.1.2 is a. True. Pontiac's War was a conflict between Native American tribes and the British military forces. The war began in 1763 led by the Ottawa leader Pontiac. The resulting Proclamation was issued by the British crown and aimed to stabilize the region by limiting colonial expansion into the western territories and to organize the British Empire's new North American lands acquired after the Seven Years' War.