Answer:
The Atlantic Ocean is the body of water on the east coast of the USA
The Bantu migrations are most closely associated with the spreading of cultures in Africa
The bantu migrations refer to the Original African People which located in western Africa which migrated across the Current African continent, spreading their cultures along the way.
The Amazon River in South America served as a significant roadway through the centuries. For instance, the river allowed Orellana, a Spanish explorer in the 1500s, to spread Christianity to Amazon inhabitants. Explorers were able to travel up the entire river and return by the same route, which emphasizes the practicality of it as a travel method. Additionally, naturalists on these expeditions spread ideas through their findings on the Amazon. In conclusion, the Amazon River provided an effective path that encouraged the spread of global knowledge and beliefs.
I believe it's used in reference to a prism
