Which of Hercules' labors was the hardest?

What mystery about ancient Crete remains unsolved? Why were the Spanish able to defeat the Aztec and in can empires? What was bernal Dias reaction when he entered the Aztec marketplace? Where was anchor invented? Where can be found a 3 d model of the erechtheum temple? What eats a greater rhea? Who held the minotour in the labyrinth? Why were myths important in ancient days? What are the ten tasks that Hercules had to perform? What group of people were brought to America and sold as slaves? What is the meaning of Sudhakaran? What were the gifts offered to Achilles? Which works by Homer narrate the Trojan war? What is the translation of the greek word skorthatos in english? What almost prevented Odysseus and his crew from escaping in their ship? What does it mean to Act like a Medusa? What did Cleopatra's crown meant? How long was Odysseus trapped in Polyphemus? What did Zeus take away from Prometheus? Who was the messenger of the Greek gods and what role did they play in Greek mythology?