Aida is caused by?

That depends... How what was what caused? We can't answer you if we don't know what the heck you're talking about! Please tell us what.

Aida is about Nubian princesses and their kingdom. Their problem is that the egyptions are taking over. NOT VERY HAPPY! Second Answer Egypt is at war with Ethiopia. Aida is the Princess of Ethiopia,...

Aida was an Nubian Princess that was captured by Egyptian soilders and given to the Egyptian Princess, Amneris, as a gift from her betrothed, Capitan Radames

Amneris has Radames and Aida buried alive. The rules stated that they should be buried seporately, but Amneris allowed them to be buried together.