I think one of them is poker I have no idea
The state and Local governments responded positively to the expansion of railroads.
These governments used the presence of the railroads in their regions as a way to promote trade and transportation in the areas. They helped by granting lands to railroad companies.
The railroads contributed to development by bringing in much settlers to the area and also opening it up to trade.
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Actually it's false.<span> Economists only argue that individuals typically act based on self interest. The rational of their actions is subjective.
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"International trade leads to specialization because industries begin to compete to offer the best prices and increased demand. In modern globalization economy, many countries are linked by international trade."
2. The Mayans got fresh water from fresh water caves filtered through limestone.
3. The Mayan city states were linked by economics and laws.