Both grew during that period. Cause and effect is anecdotal? I'm reminded of a correlation between the eastern seaboard illegal rum-running trade, and the sala

Both grew during that period. Cause and effect is anecdotal? I'm reminded of a correlation between the eastern seaboard illegal rum-running trade, and the salaries of methodist ministers. The tongue-in-cheek suggestion was made that either the Ministers benefitted from the increased turmoil caused by rum, or that the Ministers were directly involved in the trade!