{
    "sports": "https://en.wikipedia.org/wiki/Sabermetrics", 
    "Politics": "https://en.wikipedia.org/wiki/Separation_of_powers",
    "History": "https://en.wikipedia.org/wiki/Industrial_Revolution",
    "Technology": "https://en.wikipedia.org/wiki/Artificial_general_intelligence",
    "Productivity": "https://en.wikipedia.org/wiki/Scientific_management",
}