Answer:
D. slaves
Explanation:
During the era of European settlement between 1600 and 1820, most Africans who came to the Americas arrived as slaves. Africans began being imported from Africa especially the western part of Africa as slaves during this time and were forced to work by the Europeans in their plantations.
The United States government began constructing military basa within the state in preparation for war. Although far removed from the frontlines in Europe and the Pacific, Arizona's contribution to the Allied war effort was significant. Multiple prisoner of war camps and Japanese internment camps were established across the state, as well as several new airbases and associated sites, resulting in the birth of Arizona's aviation and manufacturing industries at the end of the Depression Era. The population of the state also experienced a major increase. Many veterans returned to Arizona after the war ended, laying the foundations for the large metropolises of Pheonix and Tucson.
The Ancient Mayans developed the science of astronomy, calendar systems, and hieroglyphic writing. They were also known for creating elaborate ceremonial architecture, such as pyramids, temples, palaces, and observatories.
Answer:
Explanation: Although there were many geographic features near the Plateau Tribes, perhaps the most important one was the Columbia River, which provided large amounts of salmon and eel for the tribes.The area also is surrounded by the Cascade Mountains, and Sierra Nevada Mountains on the west, and part of the Rocky Mountains on the east side, and the Columbia Plateau. Over forty seven tribes lived in this area.
