Other items also appear to indicate trade, such as the almost identical bronze carts discovered at Chanhu-daro and Harappa, for which a common origin must be postulated.
There are scattered reports of ceremonial human sacrifice and cannibalism; these and other traits probably indicate trade or other links between the Caddo and the centres of Aztec or Mayan cultures in Mexico and Yucatán.
Taken together, quantitative research into the relationship between trade and non-nutritional health indicates trade to be beneficial, yet this body of research is still in its infancy.
The modern geographical distribution of the identified fish indicates trade with various regions of Anatolia, the Mediterranean coast, Egypt and/or the Levant.
Moreover, the pre-colonial history of the Philippines, then maritime Southeast Asia, indicates trade links with people from the South Asian subcontinent (Ray 1989).
Plowshares similar to those made in nearby Roman provinces and Scandinavian-style brooches indicate trade contacts with these regions.
This indicates trade-off effects between the uses of physically intense travel modes with high intense activity participation at destination locations.
However, overall efficiency saturation at the longer structures (12.5 and 15 μm) indicates trade-off relations between the amount of dye loading and back electron transfer (recombination) reaction and between the amount of dye loading and electrolyte diffusion.
There were no interactions between plasma carotenoids, BSM and sex on cere hue that might have indicated trade-offs in the allocation of carotenoids in the plasma or cere in relation to BSM or sex (all p>0.10).
And vice versa, downregulation of a process that increases correlation might indicate trading the intensity and promiscuous activity for a higher commitment of the genes in module.
