Question

economic integration and contemporary revolutions
why do companies choose to outsource work?
to improve products
to cut transportation costs
to increase profits
to develop local resources

Explanation:

Companies often outsource work mainly to reduce costs and access specialized resources, which ultimately aims at increasing profits. While improving products can be a secondary - effect, and cutting transportation costs is not the main driver. Developing local resources is not a typical reason for outsourcing.

Answer:

to increase profits