<span>Spartan men did not have to worry about farming because they had slaves to do it for them.</span>
Answer:
Explanation:
Humanity has made enormous progress—especially over the course of the last two centuries. For example, average life expectancy in the world today is 67.9 years. In 2010, global per capita income stood at $13,037—over 10 times what it was two centuries ago.
If anything, the speed of human progress seems to be accelerating.
