Olmec culture is known for its large stone heads. They are built in big and large basalt boulders in which each head is uniquely done and one head is not a copy to the other head. The heads are part of Olmec civilization of ancient Mesoamerica. The Olmecs are the first known civilization in America and the first to have this kind of constructions. The common reason why they made this because of their religious belief.
The increase of the rail industry led to a lower price of coal, not just from Manchester but from other locations as well. With coal being able to be shipped out farther away it became easier to get and demand increased. With coal becoming easier to obtain than wood and other sources for fuel, it's prices went down, while wood for example increased. Now towns not near a coal mine could obtain a cheap source of energy that lasted longer than wood.
The main reason why many Americans thought they might be at a disadvantage in trading with China is because the Chinese had devalued their currency in order to make their products more appealing on the international market.
Answer:
War, Oppression, and Natural disaster
Explanation:
I don't think it's climate change