The Outer Banks is the name given to a narrow stretch of barrier islands in the Atlantic Ocean off the coast of North Carolina. Roanoke Island is between the Outer Banks and the mainland. Union army soldiers were dressed in blue uniforms and were sometimes called bluecoats or even bluebellies . Southern soldiers wore gray or light brown uniforms. The Civil War is also known as the War between the Blue and the Gray.
Issue just means to give something out, usually for free.
Most armies have soldiers who are members of religious groups, such as priests, rabbis, and ministers. These soldiers don't fight but take care of the religious needs of the other soldiers, much as a church pastor would. They are called chaplains . A refugee is a person who has left a dangerous place to find safety in another place. A lumber mill contains machinery that cuts tree logs into boards, which can then be used to build houses and other things.