In the early 17th century, galileo galilei was convicted of heresy for claiming that earth revolves around the sun. this conviction was an example of

In the early 17th century Galileo was indeed convicted of heresy because he claimed that Earth revolved around the Sun. This conviction was an example of an religiously motivated conviction of someone who had the best intentions in mind in the sense of mankind achieving greater knowledge. 

These islands/chinampas then provided rich soil for crops with easy access to water. i hope this is correct, im so sorry if its not !