Crosby's focus on smallpox changed his and later historians' views toward ecological and. ... Disease, specifically smallpox and malaria, was the main reason Europeans conquered indigenous peoples. Horses and weapons provided advantages, but infectious disease did the most damage.
President Roosevelt was born during the Industrial Revolution where everything from the workforce to travel is transitioning from manual to mechanical. Railroads were the epitome result of Industrial Revolution. It erased the separation of countries due to its distances, paving way for new commerce. It made towns along the railway thrive. However, it also meant that those who had the control of the railway system can have the control of the land. Roosevelt was instrumental in stopping wealthy railroad owners from taking control of the American West when he implemented the Sherman Anti-Trust Law.
<span>France wanted to break the power of the Catholic Hapsburgs monarchs, who ruled in Spain, Austria, and the Holy Roman Empire. So, the helped the Protestants... :)</span>
The herero and Namqaqua genocide i hope this helps