Route to Freedom for Many Slaves: Underground __
This page is the CodyCross answer for the clue below from Science Lab, Group 313, Puzzle 5 (Vaporization).
Question is: Route to Freedom for Many Slaves: Underground __
and the answer is: RAILROAD
Word Meaning:
RAILROAD — (chiefly US, Philippines) A permanent track consisting of fixed metal rails to drive trains or similar motorized vehicles on.
Definitions from Wiktionary.