Group think is a physiological term used to describe how a group of people make decisions which can be irrational all for the harmony or interest of the group.
People see themselves as one when they group think, without even considering the objectives of such thinking. An illustration can be a group of company that isolates itself and do not interact with the business world, they make decisions on their own without considering external influences.
From the scenario in the question, the Managers are concerned about an agreement among them rather than assessment the situation accurately. This is a perfect case of Group think, they value their unity more than objectivity.
A group of managers spend a great deal of time ensuring that they agree on important issues instead of working toward an accurate assessment of the situation. This scenario describes <u>groupthink</u>. Groupthink is the term used to describe the phenomenon whereby individuals in a group strive for a consensus regarding issues. This often results in irrational or non-optimal decisions as the main concern of the group members is to maintain conformity leading to a premature consensus without fully assessing the issue on ground.
Houston rejected the actions of the Texas Secession Convention, believing it had overstepped its authority in becoming a member state of the newly formed Confederacy. He refused to take an oath of allegiance to the Confederacy and was deposed from office.