The leaders of the czechoslovak reform movement of 1968 attempted to

Gorge Washington warned that political parties would lead to a dangerous division within the United States--which he believed would make the US vulnerable to disputes and foreign attacks. He ultimately thought that political parties would weaken the nation. 

The reconstruction plans of both president Lincoln and president Johnson were "lenient" with the Southerners, in that they did not want to overly punish the South for starting the Civil War.