Which of the following statements best explains why the Aztecs used chinampas in their agricultural practices?(1 point)
1 The Aztecs did not have access to any fertile lands and used chinampas to develop their own .
2 The Aztecs did not have any other strategies except chinampas to irrigate and create farmland in the areas where they lived.
3 The Aztecs used chinampas to reclaim farmland from lake or marshlands and create plots of land that could be easily irrigated by surrounding water.
4 All of the fertile soil in the Valley of Mexico had been taken by other communities by the time the Aztec Empire developed.