Explanation:

1. Overlapping and cross-cutting differences Social division takes place when some  social difference overlaps with other differences. The difference between the Blacks and Whites  becomes a social division in the US because the Blacks tend to be poor, homeless and discriminated  against.
2. Situations of this kind produce social divisions, when one kind of social difference becomes more  important than the other and people start feeling that they belong to different communities. If social  differences cross cut one another, it is difficult to pit one group of people against the other. It means  that groups that share a common interest on one issue are likely to be in different sides on a different  issue. Overlapping social differences create possibilities of deep social divisions and tensions.
3. Social divisions of one kind or another exist in most countries. It does not matter whether the  country is small or big. India is a vast country with many communities. Belgium is a small country  with many communities