The study of the meaning of words is called semantics.
a. True
Answer:
the U.S. Constitution through the commerce clause gives congress exclusive power over trade activities between the states and with foreign countries trade within a state is regulated exclusive by the states themselves
The term is "linkage institution".
linkage institution is any institution which help people connect to a Government or any central authority of the place or country. Some simple examples of the linkage institutions include <span> elections, political parties, interest groups, and the media.</span>