Final answer:
Prosperity in North America, as per Milton Friedman and Adam Smith, can be achieved through high levels of economic freedom, a free market, and minimal government intervention, though opinions on this theory vary among economists.
Step-by-step explanation:
According to Milton Friedman, prosperity in North America will result from a high level of economic freedom, which entails minimal government interference, a free market, and entrepreneurial innovation. The Index of Economic Freedom and Economic Freedom of the World reports correlate higher levels of prosperity with increased economic freedom. Adam Smith also suggested that a free market, where goods and services are exchanged without regulation, would lead to the production of more goods at lower prices, making them affordable to all and contributing to overall prosperity. It's important to acknowledge that opinions vary and not all economists agree with this, as there are also other factors, such as geographical advantages, that can influence economic prosperity.