In early human history, the dagger was a more common weapon, but about 5, 000 years ago, people learned to produce longer copper and bronze blades, and the sword became more common.

FORBES: Magazine Article

Gold did in fact replace commodities as money early on in human history.

FORBES: Private Currency Competition Is The Monetary Answer

Remember also, the population of the time was growing at a rate never before seen in human history so fast that early economists like Malthus wrung their hands over whether such growth could be sustainable.

FORBES: Capitalism In No Way Created Poverty, It Inherited It

But humans evolved in small groups, not large collectives, so during early human history there may not have been people who were four degrees removed from anyone, they write.

CNN: Obesity, STDs flow in social networks

In the early history of the United Nations that dispute resulted in the separation of what initially was a unified conception of human rights, as expressed in the Universal Declaration of Human Rights, into two covenants, the International Covenant on Social, Economic and Cultural Rights and the International Covenant on Civil and Political Rights.

UNESCO: MEDIA SERVICES