Question: Did Columbus obtain his funding from the rulers of the Portugese Empire?, Answer:No, Description of Portuguese Empire: Global empire centered in Portugal, Fact1:  King Ferdinand and Queen Isabella funded Columbus' voyage to the New World., Fact2: King Ferdinand of Argon and Queen Isabella of Castille were the joint rulers of kingdoms of the Iberian Peninsula, which included modern-day Spain but excludes Portugal. , Fact3: King John II of Portugal rejected Columbus' request for funding. 
Step1: Which major voyage did Columbus require funding to embark upon?, Step2: Who funded #1?, Step3: Which kingdoms did #2 rule over?, Step4: Is the Portuguese Empire included in #3?, Wikipedia page for step 1: Christopher Columbus, Wikipedia page for step 2: Christopher Columbus, Wikipedia page for step 3: Iberian Peninsula, Wikipedia page for step 4: Iberian Peninsula, not_definitive_answer: False, incorrect_answer: False