Managers at next motors, who work in different locations, communicate with one another over tv screens so that they can see and hear each other and can be more involved in the decision-making process. this is known as:

Answer– Video Conferencing.

By communicate with one another over TV screens in order to can see and hear each other, and for better involvement in the decision-making process, the managers at next motors, who work in different locations, are doing video conferencing.

even though you have attached neither the chart nor the generalizations, i have located them online. the right answer is d, since they are asking you about a generalization. you can only infer from the chart that between 2008 and 2009 the number of employed workers decreased significantly (from over 115 millions to 107 millions approximately), which signals some type of economic crisis.