What does Brutus mean by "Ambition's debt it paid" ?

Brutus says this after Caesar's assignation to calm the public; he equates Caesar's power as his ambition, which also lead to his downfall thus his "debt was paid."

Explanation:

the phenomenon that would be cited as evidence of increased economic interdependence between europe and the americas is  the development of mercantilism.

this theory suggests that the wealth of a country depends on its economic assets, or capital.

hope this : )