Why did European traders stay close to the African coast in the early 1800s? asap

They fueled rivalries between tribes and suggested that tribal leaders to sell prisoners of war

The prisoners of war would already be in the Americas and all the slavers would have to do is secure them and then bring them to their new owners thus eliminating the long trip with a high mortality rate

the tallest building in the western hemisphere and the sixth tallest building in the world

map scale refers to the relationship (or ratio) between distance on a map and the corresponding distance on the ground. for example, on a 1: 100000 scale map, 1cm on the map equals 1km on the ground.