Why did christopher columbus' men set up a cross?

Columbus wanted to find a better route to the Indies by sea.  After looking for sponsors for this quest he had King Ferdinand and Queen Isabella from Spain sponsor his trip. They requested that if Columbus succeeded in his venture he would spread Christianity, as well as bringing back gold and glory for Spain.

Columbus was also eager to spread Christianity to any land he reached. So the reason for setting up the cross when they arrived to America was to start spreading out Christianity specially since this was one of the reasons his trip was sponsored by the Queen and King of Spain.

where's the

naturalization is the process of gaining united states citizenship. becoming an american citizen is the ultimate goal for many immigrants, but very few people are aware that the requirements for naturalization have been over 200 years in the making.