Both civilizations built canals to water crops.
The correct answer is Buddhism and central government.
First domesticated in southeast Asia, "D. Bananas" provided a nutritious supplement to Bantu diets and allowed the Bantu to expand into forested regions, since bananas were especially adept in this environment. <span>
</span>
Christopher Columbus was instructed by the King, and Queen of Spain to travel to the new world in search of valuable natural resources. Columbus had his own inclinations to travel being that the idea that the world was spherical had not yet been a well accepted fact.