It doesn't have a definition it's a phrase president Thomas Jefferson used in his first inaugural address in 1801 calling for a cautious, isolationist foreign policy
Answer:
The motivations for the first wave of colonial expansion can be summed up as God, Gold, and Glory: God, because missionaries felt it was their moral duty to spread Christianity, and they believed a higher power would reward them for saving the souls of colonial subjects; gold, because colonizers would exploit resources
Explanation:
there ya go :)