What Is the Main Difference Between Deindustrializing and Outsourcing

What is the main difference between deindustrializing and outsourcing?

A) The first benefited mainly developed countries and the second benefited mainly developing countries.
B) The first mainly involved the export of low-skill manufacturing jobs and the second also includes the export of highly-skilled jobs that often require a good deal of education.
C) The former benefits mainly developing countries and the latter benefits mainly developed countries.
D) There is no difference between deindustrializing and outsourcing; these are synonymous.
E) The first resulted from changes in global tariffs and the second has been caused mainly by high levels of taxation and environmental regulation in developed economies.