Answer:
D. The expansion of the wealth and power of the feudal lord's across Europe
Step-by-step explanation:
Major causes that started the Renaissance in Europe would be the bubonic Plague, Economy, and Ottoman Conquest. The Bubonic Plague had wiped away 1/3 of the population and after the Plague people wanted to enjoy their life, which leads to the spread of ideas and people expressing themselves. Also during this time, there were Economic changes in which merchants were wealthier and wages were increased. The Ottoman Conquest was also a major cause of the renaissance, Byzantine scholars took Greek text with them making them available in Europe.