Areason that renaissance art looked different from medieval art is that it was generally?

Medieval artwork demonstrated that hierarchy by drawing humans sized according to social status rather than true proportions. Artists of the time focused primarily on religious scenes instead of secular events. In contrast, the Renaissance period emphasized secularism. Renaissance artists drew humans fixed to natural landscapes, demonstrating a shift in focus to the real and natural world rather than divine objects. 

Medieval art introduced the 3rd dimension, where paintings and drawings looked like how the eye saw it, instead of two dimensional art.