A Scythian nomad of Central Asia would have also been known as a) Saka. This is because they spoken an Euro-Iranian language and Saka relates to an Iranian root word which means nomad. The Scythian nomads were a large group of Eurasian-Iranian nomads who lived in the central Eurasian steppe area.
No cows, horses, sheep, pigs or goats. The Spaniards brought pigs and horses during the conquest. They multiplied over a few decades in the 1500s. Native Americans were able to hunt and travel as never before. Pigs ate their crops then morphed into razorbacks. Wild boar still roam the woods in the midwest.
Llama and alpacas were used for their wool and as pack animals in the Andes. Turkeys were domesticated in Meso America. Bison, deer and small game were used as a meat source and their hydes in North America.
Release: February 4, 1938.
"a. Efficiency" would be the economic goal that focuses on funding technological advances in production, since this almost always leads to better ways of doing things.