What problems did chistopher Columbus have on his ship to America?

What are differences between the Salem witch trials and McCarthyism? Why was Julius Cesar assisanated? What are 4 things the Romans learned from the Greeks? How might the invention of the wheel have helped in the building of the Great Pyramid in Egypt? Who can declare war on foreign countries? What did the Congress as states to do during the revolutionary war? Who does Yankee icon Mickey Mantle derive his first name from? What is the relationship between the Greeks and the ottoman empire? What is a summation of the rise in nationalism that helped lead to World War 1? Early greek philosophy attempted to do what? What is full name of Nike? Did Chinese invent printing press or Gutenberg? How could rationing coupons insure that consumers with the highest values get the limited amount of a good supplied when government price ceilings create shortages? Where was the royal durbar held on November 1st 1858 to issue the queen's proclamation? How did the emancipation proclamation support the unions military cause? How did the agricultural revolution help the revolution take place? If you are on workmens compensation do you have to take harassment from your employer on a weekly basis about when you will be able to go back to your job? What was the human history between North American Asia Eurasia and Europe before the 1450's? What is the name of the boat on the river Styx? What ever happened to Pittsburgh Steeler Mark Malone?