We don't know why bronze era collapsed He suggests that not one thing, but a series of disasters one after the other caused it. The reasons: Sea People(invade

We don't know why bronze era collapsed He suggests that not one thing, but a series of disasters one after the other caused it. The reasons: Sea People(invaders/raiders) Famine Drought Earth Quake 'Storms' Since the societies were 'globalized' and reliant on one another, these disasters happening one after another, caused domino effect.