The spread of new metal technologies in the neolithic era was mostly caused by which group of people?

The goldsmith reached a state at the level of primary Fine Arts in Greece. To the manufacturing processes of the embossing, chiseled and filigree already known in the previous civilizations, the granules were added by the Greek artists, sowing the surface of the piece with gold beads by an unknown procedure. But long before the Greeks already practiced the Egyptians because they have been found in jewels of dynasty XII

Explanation:

cultural/diplomatic relations. most medieval japanese   culture has chinese origins. writing, architecture etc.

answer: the risk-return relationship. generally, the higher the potential return of an investment, the higher the risk. there is no guarantee that you will actually get a higher return by accepting more risk. diversification enables you to reduce the risk of your portfolio without sacrificing potential returns.

explanation: