Tundra is the climate zone that <span>has cool summers, cold and harsh winters, a dry climate, and sparse vegetation. Tundra is basically the type of biome where the growth of trees are hindered due to very short growth season and extreme cold. I hope that this is the answer that has actually come to your help.</span>
The answer is: d. Europe, Africa, and Asia.
Answer:
Vietnam, Laos, and Cambodia (srry if its wrong)
as people used to conquer lands and take over territories, cultures would mingle. nowadays, things like immigration, sharing things online, (social media and articles) having world leaders meet, etc. can lead to cultural interactions and change.