Question: Do director of film Unknown World and director of film Navajo Blues have the same nationality?
Sentence (from "Unknown World"): Unknown World( a.k.a. Night Without Stars) is a 1951 independently made American black- and- white science fiction adventure film, directed by Terry O. Morse, and starring Bruce Kellogg, Marilyn Nash, Jim Bannon, and Otto Waldis.
Relevant evidence: Yes