By using water and some of these types of seeds
Answer: Mexico, to be honest, is a fascinating place if you look closely. They have ancient debris and ruins, beautiful beaches, an excellent taste in culture, and excellent building architectures.
I feel like “The voyages were risky, and there was no insurance to cover the risk” is the answer. Investors didn’t want to lose money and the only way that they would somehow break even on the cost would be if the voyage found riches.