Vectic question

Anyone with vcarve or aspire that could help me. I’m trying to take an outline image and get single line vectors out of it. Iv tried bitmap trace and also importing Svg to illustrator and importing to aspire but I get the same result each time.

Instead one 1 single line for the project each state is outlined leaving a gap. How can I go about getting this to a single line when importing outlines?

I have this if it helps.

50STATES.dxf (365.0 KB)