(In spite of) the ever-increasing exploitation of natural resources, (that) has now reached dangerous proportion, (little) has been done on a (world-wide) scale to slow down or stop this process.

A．a person’s view of conflict is influenced by the purpose of his organization
B．conflict is necessary for managers of for-profit organizations
C．different people resolve conflicts in different ways
D．it is impossible for people to avoid conflict

A．people at that time were often attacked for their wealth by the Vikings
B．living conditions for both the Vikings and the Europeans were terrible
C．the contemporary historians are practically in the dark about the Vikings
D．Viking Age is a part of prehistory