Answer:
Option: b. with the introductions of Bronze, an alloy, or mixture of tin and copper, changed the peoples of Europe.
Step-by-step explanation:
Metalworking began when people discover bronze. Gold and copper were the early metal which widely used, gold used for making jeweler, while copper for making tools and weapons. Early times, tool making limited and done on a small scale. With the discovery of Bronze, mixing of two metal by metallurgists, metalworking started in Europe. Bronze tools were much stronger than copper.