When Arman and Roger discuss what issues in their relationship are acceptable to discuss in front of friends and which are acceptable only to discuss between themselves, they are engaging in

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.

answer; continuing debate about how to interpret the constitution;