How did Maryland's political status during the Civil War reflect that of other border states? President Lincoln suspended habeas corpus to keep Maryland in the union. Maryland was a slave state that remained part of the union. Most of the battles of the Civil War were fought in Maryland. Part of Maryland declared independence from the state to join the union.
This is a tricky question, because none of these answers are completely true, but the best option if you have to choose one would be "President Lincoln suspended habeas corpus to keep Maryland in the union."