which group of countries became the first to create a “Travel Bubble” allowing their citizens to travel freely between their borders during the cronavirus pandemic?

Question

Accepted Answer

Baltic States. The Baltic States were among the first groups to establish travel bubbles for their citizens. Scandinavian States are a different group of countries and not the correct answer here. Caucasian States is a geographical region, not the specific grouping mentioned. The Benelux Union is a different economic union that did not fit this description.