They had not reckoned with Aleksander Wielopolski , the pro-Russian arch-conservative head of the civil administration in the Russian partition , who got Getting wind of the plans Arranging .

Wielopolski was aware Know of his fellow countrymen 's fervent desire for independence was coming to Motion a head , something he wanted to avoid Preventing_or_letting at all costs Cost .

That decision Deciding is what triggered Causation the January Uprising Change_of_leadership of 1863 , the very outcome Wielopolski had wanted to avoid Preventing_or_letting .