The reign of terror set up revolutionary courts to prosecute

In France following the French Revolution there was a period that is known as the "reign of terror" whereby revolutionary courts were set up to prosecute individuals who were believed to be "enemies of the revolution." This was essentially a witch hunt for the enemies of the political elites during this period. 

Avoid political parties don’t form foreign alliances and social reform

The answer is william henry harrison pursued and defeated british forces retreating into canada.