Final answer:
As Eastern European countries became industrialized, there was a significant rural-to-urban shift. This migration was driven by the search for employment and better economic opportunities in urban areas. The trend is characteristic of societies transitioning to industrialization and urbanization.
Step-by-step explanation:
As Eastern European countries became increasingly industrialized, internal migration from rural to urban areas occurred. The shift from agrarian societies to those that focus on manufacturing and service sectors meant that rural populations sought better economic opportunities in urban areas. This pattern is often observed during the rural-to-urban shift stage, which typically happens in stage 3 societies where there is an expanding population pyramid.
The industrialization of Eastern Europe meant that labour was required in factories and industries, attracting rural populations to the cities in search of better livelihoods. Cities expanded as they swelled with new residents from rural areas. As immigrants, including those from southern and eastern Europe, moved to American cities, they formed ethnic communities, enriching urban life with diverse cultures and traditions.
The collapse of Communism in Eastern Europe led to major transitions, and as countries in the region declared independence and began integrating into the European community, urban populations experienced growth. This was due to the increased opportunities in urban centers compared to the more limited ones in rural areas. Historically, urbanization has been closely tied to the search for better living standards and employment, as seen in the Industrial Era in the United States where people left rural communities to move to cities, and during the post-Communist era in Eastern Europe.