Final answer:
Colonial complaints included taxation without representation, the quartering of troops, and lack of fair trials for Royal officials. These issues highlighted the colonists' discontent with the absolute rule of King George III and their desire for self-governance in line with democratic ideals. They led to significant protests and actions, such as the boycott of English goods.
Step-by-step explanation:
The colonists' complaints against the king centered around themes of taxation without representation, military presence in times of peace, the quartering of soldiers, and the inability to have fair trials for Royal officials accused of crimes. These grievances were a significant part of the colonial protests during the 1760s and 1770s. For example, colonists believed that taxation had to come only from legislative bodies in which they were represented. They were against the maintenance of a standing army during peace time, as well as the forced quartering of troops in their homes, as per the Quartering Acts. In addition, they were outraged that Royal officials could return to England for trial, avoiding being held accountable for their actions before a local jury, especially in cases of murder against colonists. These complaints reflected a broader rejection of the absolute rule exercised by King George III, which was seen as contrary to the principles of parliamentary democracy that the Great Britain itself followed. Moreover, actions such as the enforcement of the Stamp Act and various trade boycotts signaled the colonists' increasing dissatisfaction with British governance.