Rutherford believed the "great Tribulation" would begin during World war 2. His book "Enemies" explained America and Britain would turn into a fascist/Catholic state so.....
Watchtower 82 8/15 p.10 "For the saftey of the Bethel family a place of refuge was built at South Landsing New York. It was never needed for that purpose...later transformed into Gilead missionary school..."
Watch. 81 12/15 p.28 "Rutherford believed that intense pursecution would require the brothers to leave headquarters...thus he built a building in upstate New York that could be used to house the Bethel family..."