Answer: Abraham Lincoln is generally considered the greatest president for his leadership during the American Civil War and his eloquence in speeches such as the Gettysburg Address. James Buchanan, Lincoln's predecessor, is generally considered the worst president for his leadership in the build-up to the Civil War.
Explanation:
The Silk Road trade allowed for diffusion of technologies to go throughout Eurasia. For instance, silk-making technology from China was able to diffuse and reach areas in Europe. Another example would be the religion of Buddhism. Buddhism originated in India and made its way to China along the Roads, and changed a bit along the way.
