Aglobal system is a system that incorporates all the technologies and applications found in a typical information system to gather, store, manipulate, and transmit data across cultural and geographic boundaries.
a. analytics
b. broadcast
c. economic
d. information

d. information

Explanation:

The Global Information System (GIS) is also a global database of information that attempts to deliver measurable data, across national borders, using all the applications exemplified in the question.  It works worldwide and can facilitates communication in general.

answer; the federal reserve system;

answer; does not include a reference to the audience;