Elizabeth is a highly-sought-after scientific researcher. She relocated to Europe ten years ago but is now returning to the United States. While the United States welcomes her skill level, there is also some concern regarding the contributions she made in Europe. This situation demonstrates the idea of:. 1) groupthink.
2) reverse brain drain.
3) self-fulfilling prophecy.
4) brain drain.

2

Explanation:

Reverse brain is a type of brain drain that occurs when a person moves from a more developed country to a less developed country. The knowledge, skills developed in the developing country can be used by the developed country from which she came from

Elizabeth moved from US (developed) to Europe (less developed). On returning to US, the government is concerned about accepting her contributions which she made in Europe

answer; commerce clearing house;