In Addition to a Period of Interglacial Warming That Occurred

Multiple Choice

In addition to a period of interglacial warming that occurred approximately 40,000-50,000 years ago, which of the following enabled humans to advance throughout Eurasia?

A) Humans crafted sea vessels capable of making the arduous journey from Southwest Asia to Europe.
B) Humans began to biologically adapt to colder climates in a relatively short amount of time.
C) Humans developed more refined tools and social structures capable of tackling colder climates.
D) Neanderthals died out, freeing up territory throughout Eurasia for humans.