One driving motive was the hunt for wealth and luxury goods (gold, spices, silks, etc.); as for technological advances, a star map is an example that comes to mind.
I remember taking this test, and if the choice is to (ensure consistent quality standards), then that's the correct answer; otherwise, I apologize.
Each city-state maintained its own separate governments.
Answer:
Numerous other cultures in Central America have adopted elements from their traditions and customs.
Explanation:
The Olmecs are recognized as one of the earliest societies in Central America, and many subsequent cultures integrated various cultural elements from the Olmecs, earning them the title "mother of the region."