Answer:
An international company with a Global Information System (GIS) in place "can increase its control over its subsidiaries".
Explanation:
A Global Information System (GIS) is used to gather data on a global scale, that can be used by organizations when making decisions such as; determining what product to produce for what customers, or what services to render.
Information derived through a global information system makes it easier for organizations to tailor their offerings specifically to certain populations.
As such, an international organizations with a GIS can communicate better with, and maintain control over, its subsidiaries in other countries, because it has a better understanding of the population and market in those countries.