Based on the clue 'a prince of walachia he was known for impaling tho...', what is the answer?

Based on the clue 'a primary part of gum base its the natural gum of ...', what is the answer? Based on the clue 'a primate or a combatant in irregular warfare', what is the answer? What is associated with: a primitive 3 d color version of this was demonstrated by john logie baird in 1941? Based on the clue 'a prince goes to heidelberg university falls in l...', what is the answer? Based on the clue 'a princess whos the daughter of a portuguese or sp...', what is the answer? Based on the clue 'a principal religion of japan it has no official s...', what is the answer? Based on the clue 'a print made to test the accuracy of the press its...', what is the answer? Based on the clue 'a prism breaks sunlight into the visible part of t...', what is the answer?