<span>It was the first step to connecting the western and eastern hemispheres together through trade and culture exchange. Although European diseases wiped out many native cultures, other exchanges such as corn and potatoes allowed a better diet for people and increased native and Irish population.</span>
Africa is known for their precious diamond mining so diamond is one. Oil is also another big thing
New roads and canals being constructed, silk road, and grand canal all belong in “trade and economy increased” and the Confucianism thing would be “social harmony” :)