if i am correct the answer should be the great depression.
They feared that a strong national government may abolish slavery.
Lech Walesa (polish politician and labor activist)<span />
Answer:
A) the discovery and excavations of Herculaneum and Pompeii
Explanation:
Different from a book or a drawing which can show us just a part of the building or city, and we must use our imagination to think and feel how it was the real construction, the excavations of Herculaneum and Pompeii provide us the factual prove, the real structure that was described in books and scriptures, and based on the theoretical ideas, we can make a comparison and found out the truth.
Indicates the basic ancient Roman Army unit, recruited specifically from Roman citizens. The "legion" means entire army.