The Battle of the Sabis River was fought by Julius Caesar and his Roman troops against the Nervii tribesmen who charged out of the woods with a massive force of around 50-75,000 at full running speed, in an attempt to eliminate the Roman army.
Roman historian Julius Caesar's attempt to colonize and conquer enemy forces at Alesia had to overcome difficult terrain and defend against an army of 35,000 Gallic warriors. Despite these obstacles, Caesar and his army had the upper hand due to their fortifications, artillery, and the strength and organization of his troops.
In ancient Rome, wealth disparity was a significant factor that contributed to the loss of land and decent work for common peasants and soldiers, while nobles, patricians, and equites accumulated immense wealth through campaigns and businesses.
Caesar defeats the Belgae tribe and destroys their leadership, selling 53,000 people into slavery. He also conquers a neighboring tribe that was coming to the Belgae’s aid.
Caesar's policy with troublemakers was to eliminate the leaders of the opposition party, as seen in his pursuit of the Gallic resistance and taking out Count Factions and opposing parties within tribes. This approach was a mafia-like strategy and a common practice in dealing with charismatic tribal guerrilla leaders.
The first contact between Christopher Columbus and the indigenous peoples in the Americas led to a catastrophic outcome due to factors beyond just the actions and intentions of those involved. Even without the arrival of Europeans, the spread of infectious diseases would have devastated the native population.