A Course Of Action (COA) is a likely route through which an assigned mission can be accomplished. The COAs are developed to make available distinctive alternatives which are geared towards attainment of the military objectives for the commander by the staff
Under the supervision of the commander, a well outlined COA during implementation is encompassing of events not accounted for in the planning, enabling the positioning of the joint force for further operations.
Pioneer settlers were sometimes pulled west because they wanted to make a better living. Others received letters from friends or family members who had moved west. These letters often told about a good life on the frontier. The biggest factor that pulled pioneers west was the opportunity to buy land.