How can a country be underpopulated and highly developed at the same time?

By having strong allies, plenty of resources, technological advances, and an intelligent population.

Explanation:

Canada is a perfect example of this. It’s the second largest nation on earth in terms of geography. One of the most technologically advanced. A small population for its geographic size. Strong economy. Plenty of resources. And strong allies such as the US and NATO.

answer; by working independently, the states have a high likelihood of developing innovative solutions that can be employed in other states;

stewards ice box was the purchase of alaska from russia and it was called that because people thought it was not a good idea to purchase alaska