Answer:
Among the earliest inventions were the abacus, the sundial, and the Kongming lantern. The Four Great Inventions,the compass, gunpowder, papermaking, and printing – were among the most important technological advances, only known to Europe by the end of the Middle Ages 1000 years later.
Explanation:
North America, South America, Asia,Europe,Anartica,Africa,Australia Atlantic ocean Pacific ocean Atrtic ocean Indian ocean
Answer:
availability of resources
Answer:
freed African Americans from slavery
Explanation:
learnt in class