Answer:
The amount of energy it takes on peoples labor to physically carry water back to their village and worrying about evaportation in hot weather which makes water transportation party weather dependant.
Looking for a clean source of water in the first place is also a tough one.
California Gold Rush summary: As it brought about 300,000 people to California, the California Gold Rush was the largest mass migration in American history. It all began on January 24, 1848, when, at Sutter's Mill in Coloma, James W. Marshall discovered gold on his piece of land. The news about gold spread rapidly.
Answer:
They helped to transport raw materials and/or goods so they could be sold in markets.
Pons are structures that act like a bridge between the medulla and other brain structures.
The medulla oblongata is a network of cell bodies called reticular formation which extends upwards into the midbrain.
