Final answer:
The concept of 'God, Gold, and Glory' refers to the main motives behind European exploration in the 16th century, which include spreading Christianity, seeking wealth, and pursuing fame and honor.
Step-by-step explanation:
The concept of 'God, Gold, and Glory' is closely associated with European exploration in the 16th century. It refers to the three main motives that drove European monarchs and explorers to venture into unknown lands. 'God' represents the desire to spread Christianity and convert indigenous peoples, 'Gold' symbolizes the search for wealth and resources, and 'Glory' signifies the pursuit of fame, honor, and national pride. These motives encouraged Europeans to establish colonies, seize precious metals, and extend their power and influence.