@ArchaicLens Tip of the iceberg.
Global sea levels were about 450 feet lower 20,000 years ago, submerging roughly 5 MILLION square miles.
That's an area larger than the US and Canada COMBINED. It would have been prime real estate for ancient civilizations, yet we've barely explored it.
@DisrespectedThe In the early days the only energy applied to land cultivation was man power. It was a long struggle to substitute oxen for men since this threw men out of employment.
Now, machines have begun to displace men, liberating man power for the accomplishment of more valuable tasks.
@elonmusk A moral society should aim to preserve the self-respect of its citizenry and afford every normal individual adequate opportunity for self-realization. That state is best which co-ordinates most while governing least.
@TaraBull808 With the retreat of the northern ice fields at the end of the last ice age, my guess is that the water-laden winds from the west shifted to the north, gradually turning the great open pasture regions of Sahara into a barren desert