Pls help me i'll give brainliest Which of the following is a true statement about the map?
A. The border between South and North Dakota is a thin, blue line; this indicates a river boundary.
B. The border between Georgia and Florida is a thin, blue line; this indicates a state boundary.
C. The border between North Dakota and South Dakota is a thick, black line; this indicates a national boundary.
D. The border between Georgia and South Carolina is a dashed black line; this indicates a state boundary.