How were the pharoes from kush similar to the egyptian pharoes?

Pharaohs from Kush ruled Egypt for almost a century. Like earlier Egyptian pharaohs, they encouraged trade between Africa and the lands around the Mediterranean Sea.The rulers from the south encouraged an Egyptians style and culture. So eventually the kush pharaoh and the egyptian pharaohs became quite similar.  

February 1848 is when it was added. if that's what you were asking