Final answer:
Significant cultural achievements, such as advances in metalworking, large-scale construction, and writing, were not characteristics of the Dark Ages; instead, these achievements were lost at the onset of this period.
Step-by-step explanation:
The term Dark Ages often refers to the period in European history after the fall of the Roman Empire (476 CE) to the start of the Renaissance in the 14th century. This era is characterized by a decline in cultural and economic activity, depopulation, deurbanization, and a decrease in the production of written records, leading to a scarcity of historical documentation; an attribute famously marking the Byzantine Dark Age. Features of the Dark Ages include the transition to rural living, a less stratified societal structure with less disparity between high-status individuals and others, continued practices from the Roman era within the Byzantine Empire, and the advent of feudalism and manorialism.
One characteristics that was not a trait of the Dark Ages is significant advancements in cultural achievements – such as metalworking, large-scale construction, and writing – that were actually lost following the collapse of the Mycenaean civilization and the advent of the Greek Dark Ages (c. 1100-c. 800 BCE).