Explain how the african borders were drawn

In 1885 European leaders met at the infamous Berlin Conference to divide Africa and arbitrarily draw up borders that exist to this day. Lines of longitude and latitude, rivers and mountain ranges were pressed into service as borders separating the colonies. ...Fe

answer; seasons change because earth tilts on its axis; and the angle of the tilt causes the northern and southern hemisphere to trade places throughout the year;

answer; i believe that one of the correct answers is preventing human development;