(a) Columbus went to King Ferdinand for help but in vain.
(b) Queen Isabella helped him.
(c) Columbus is an important name in the history of discovery.
(d) He saw a vast sheet of unlimited water and wished to have voyaged there.
(e) He became a sailor in his boyhood.
(f) Then he went to Queen of Spain.
(g) After that he was able to travel in many parts of Europe and Africa.
(h) But such voyage would require good ships.