One disadvantage of Pre-Columbian civilisations is that they had no animals that could be used to carry things - such as donkeys or horses, so the goods could not be transported as well as in the Old World - those animals simply did not evolve in America or disappeared by that time. People often had to transport the goods they wanted to sell on their backs.
The one that caused the death of 50 million is influenza
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The core attitudes displayed would have adaptive benefits for human societies.
Who are conservatives and liberals?
Liberals usually embrace freedom of choice in personal matters, but tend to support significant government control of the economy. They generally support a government-funded “safety net” to help the disadvantaged, and advocate strict regulation of business. Liberals tend to favor environmental regulations, defend civil liberties and free expression, support government action to promote equality, and tolerate diverse lifestyles.
Conservative policies generally emphasize empowerment of the individual to solve problems. Conservatives believe in personal responsibility, limited government, free markets, individual liberty, traditional American values and a strong national defense. Believe the role of government should be to provide people the freedom necessary to pursue their own goals. Conservative policies generally emphasize empowerment of the individual to solve problems.
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