Answer:
by water across the Mediterranean, by land to the Red Sea or the Persian Gulf, by water to India and China.
:)
The California Gold Rush of 1848-1849
A- mixed
Explanation ; In a mixed economy, private and public sectors go side by side. The government directs economic activity in some socially important areas of the economy, the rest being left to the price mechanism to operate.
It relied largely on the efforts of a middle class
I would go with 'Major sandstorms destroyed the crops' because the Indus Valley civilization most likely declined by something affecting the food.