In government, the judicial branch is in charge of using, interpreting and applying the laws which are created by the legislative branch and enforced by the executive branch. This implies, the judicial branch includes the set of courts and similar entities that are part of a complex law system in which laws are interpreted, for example, in courts it is determined whether a citizen, organization, group of people, etc. broke the law and the implications of this. According to this, the main purpose of the judicial branch is to interpret laws.
One could infer from this argument that "<span>Since the states printed their own money, trade between the states was almost impossible," since there was no unified currency with which to buy goods and services. </span>