The history of guacamole

During early global voyages, explorers struggled to transport avocado seeds to new countries because the seeds are 'recalcitrant.' What does this botanical term mean?

When European explorers first brought avocado seeds back from the Americas, they found it very difficult to cultivate the trees in Europe. What was the primary reason for this struggle?

When Spanish explorers first encountered avocados in Mesoamerica, they found the native Nahuatl word 'ahuacatl' difficult to pronounce. Which Spanish word did these explorers create as a simplified version of the Nahuatl name?

During long sea voyages in the 17th and 18th centuries, why did European sailors highly value the avocado, earning it the nickname 'midshipman's butter'?

While the original Aztec version of guacamole featured ingredients native to the Americas like avocados, tomatoes, and chili peppers, which of these popular ingredients was introduced later from Europe and Asia?