People make choices about how to use insufficient resources.
Insufficient means that there aren't enough.
We need to make proper choices about using resources properly.
There aren't that many left....
Romans were able to battle at Sea which helped them to expand their nation. Not all nations had ships and not all nations could fight on water and land. The romans had that advantage.
The main reason why so many people consider economics to be a dismal science is "<span>b. Because it sometimes shows that needs outpace resources" which is usually the case. </span>