 Unfortunately, Sor Juana became embroiled in a battle with Church politics in 1690; although she passionately defended the right of women to an education, she was banned from writing and her library in 1691, dying four years later.The Inca Empire had developed a complex system of knots, called quipu, which was used to record information; whether this could be considered a writing system, and collections of quipu libraries, is debated.As with Mexico and Central America, printing was slow to arrive to the Andes.