The people of early Africa developed a system of trade routes that connected much of the continent. Why do you think most of these trade routes bordered oceans and rivers?

because it was easier to carry their stuff and also because it was faster in everyway if not they would have to pass by mountains or being scared that another animal would come and attak u or even bandits to steal.

the difference is that white collar worker performs skills like worker as a scientist or well blue collars do physical work and they do services like being a cook.

by 1880, germany had more rail lines than great britain and russia.