They reacted by starting WW2 and france, britain, and the us all wanted germany to be fair to its people and not let them kill innocent people get killed
The Great Leap Forward led to a huge famine that killed off the majority of China's population
Explanation: The Battle of Gettysburg was a turning point in the Civil War in that Lee's failure to take the war into the North showed the limitations of the Confederate cause and made it so that the war would be contained to and thus the damages would be felt exclusively in the South.
It controls the amount of commercial fishing that can be done in Oceania.
One bad thing tha happened was that the Muslims views on Crusaders and Europeans as a people was drastically worsened. And it's obvious why this happened; they came to their lands and wanted to reclaim them despite not having any real and legitimate claim to these lands.