When did ernest shackleton come back?

Why were caravels such a good ship for exploration? Give four facts about conditions aboard Olaudah Equiano slave ship? What were Giovanni da Verrazzano parents names? What were some of the things that Juan ponce de Leon find on his journey? Why is the St Lawrence River important to Canada? How did slaves sleep on the slave ships? How did Odysseus travel from place to place? Is Cuba part of the Caribbean islands? Which island country in the Caribbean lies farthest to the east? What did Odysseus do to get his men back to the ships after they ate the lotus? How long was Leif Eriksson's voyage take? How many nautical miles from Venice La to Isla Mujeres? Why Explorers like Columbus kept journals? Where is marina main office located in the manila? What was John looking for? How do you say Have a great trip in Danish? What is the name of the floating city? Who describe the Voyages to the new world and had a continent Name after me? Who did Eric the red sail for? Why did Pedro Alavares Cabral take his expedition off course in 1500?