Branson's North Carolina Business Directory for 1869 shows that Shelby, in the years immediately following the Civil War, had changed little from the rural county seat economy that it had been throughout the ante-bellum period.
Enterprise Architect provides a platform for the system engineer using the Systems Modeling Language (SysML) and model based development, and in addition to the engineering models the tool provides support for project and process management.
This paper surveys graphical tools developed in the past three decades that are applicable to. linear structural equation models (SEMs). These tools permit researchers to answer key re-. search questions by simple path-tracing rules, even for highly complex models.