The family has undergone many changes over the past few decades. As we start to examine the meaning of the word family, let's distinguish between the nuclear/modern family and what we mean by family today. Why is it that "nuclear" and "modern" mean the same thing now? When society in the 21st century defines family, what does it mean? The text provides many examples if you need some, as well as a good working definition. Give some examples of each.