Because the Europeans had already been exposed to the diseases and had built an immunity to it, and the Native Americans hadn't, hope this helps
The below mentioned causes are the causes for the deadly end of different sportsmen amid the boating action:
1. Not wearing a life-jacket: Sportsmen or the talented swimmers usually tend to overlook this while boating as they trust their capabilities more. This prompts a deadly accident.
2. Boating in strong Current River: Sailing in territories with water can build the odds of the vessel flipping over. The strong current makes it difficult to swim shoreward.
3. Boating in unsafe places: There are areas where boating or swimming can be dangerous and a fatal attack from a shark or other sea creatures can lead to death
The causes fluctuate from area to area yet every one of them prompt the drowning of the sportsmen.
Lewis and Clarke brought back maps of were certain Indian tribes were which were friendly and which were aggressive the also brought sketches of animals they didn't see on the eastern side of the u.s and plants like melon etc.
The Scottsboro Boys were nine African American teenagers, ages 12 to 19, accused in Alabama of raping two white women in 1931. The landmark set of legal cases from this incident dealt with racism and the right to a fair trial.
For land in the new world