Which word refers to a dark natural glass formed from lava and used by Mesoamericans for making tools and other objects

Ineed the answer ! what year was the 13th amendment passed in the us?

Rivalries between european imperialist powers and the growth of european militaries contributed to which outcome in the early 20th century? o a. many european powers were eager to go to war with one another. o b. european states became less concerned about controlling overseas empires. o c. small countries became more willing to join powerful empires. o d. the alliance system that maintained a balance of power in europe broke down.

For witch of these skills were early bantu noted? check all that apply farming fishing hunting ironworking seafaring