Final answer:
The period of cooling around 13,000 years, known as the Little Ice Age, was named after an arctic flower that became common across Europe.
Step-by-step explanation:
The period of cooling around 13,000 years, which came to be known as the Little Ice Age, was named after an arctic flower that became common across Europe. The Little Ice Age was a period of global cooling that affected most of the Northern Hemisphere in the fourteenth century. It led to significant variations in normal rainfall and a general drop in the mean annual temperature.