Who defines a family as "relationships by blood, marriage, or affection, in which members may cooperate economically, may care for any children, and may consider their identity to be intimately connected to the larger group"?

Karen Seccombe is the correct answer.

Karen Seccombe was the author of the book "Revel for Families and Their Social Worlds". In the book she talks about how her perspective and definition of families has broaden up. While growing up, her definition of families matched with the one provided by the U.S Census Bureau and now her definition is way more accurate on the dynamic of today's families (the definition you have just mentioned).

recent improvements in technology/telecommunication/internet have increased the pace of globalization.

explanation:

recent improvements in technology have enhanced the pace of globalization. it is not difficult to recognize that technology has created the human race one big issue. there are several aspects to technology but they all serve to meet us the further. i can beat and be friends with a fellow, thousands of miles away. technology has also bridged the knowledge gap and has presented for the ready transfer of ideas and values.