Which of Hercules' labors was the hardest?

What is the origin and meaning of the name Alexander? Did Hades ever marry a mortal? Why did the first nations called the first nations? Why did Senusret I build temples? Did Troy die? Who in reality founded Rome? How did Achilles get his name? Who are the antagonist in the odyssey? Bede account suggests that britain had? Was aphrodite immortal? Who were Hephaestus friends and enemies? When did the Persian Empire began and end? What aspect of this story most clearly defines it as a myth? What three cultures made up myths? What does The Odyssey reveal about the Greeks? Is the castle and gate house that same thing? What was Anubis good at? What does the Greek sculptor Polykleitos's statue The Spear Bearer emphasize? What city did telemachus and peisistratus leave? Why did Merlin take King Arthur from king uther?