Book of Kells is a famous illuminated manuscript
The main way in which the ideas of the Enlightenment and increasing commercial development led to the rapid increase in the size of the British
Actually two answers are correct: on an island and in a marshland.
Tenochtitlan is today's Mexico City and Mexico City was located on a lake called Texcoco that was dried so that people could live there. Before the arrival of the Spaniards, the Nahua lived on an island on this lake, surrounded by water and marshland