1.discovery of iron
2.the use of iron weapons
Answer:
b. Ginzberg, Ginsburg, Axelrad and Herma.
Explanation:
According to the theory developed by Ginzberg, Ginsburg, Axelrad, and Herma in 1951, 4 factors affect vocational choice recognition: the reality, the power of the educational process, emotion, and personal values. Beginning in early adolescence and finishing in young adulthood, people experience 3 stages: fantasy, tentative, and realistic.
