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.

according to classical republican political theory, which democratic republics would function best?

a.   small republics, with people who had similar interests

b.   large republics, with people who had competing interests

c.   republics made up entirely of landowners

d.   republics made up entirely of servants