The bubonic plague affected economic
development in medieval times by
(1) encouraging the introduction of new types of
crops
(2) causing production to decline and prices to
rise
(3) sparking the ideas of socialism and reform
(4) destroying the guild system
The Bubonic plague caused many people to die, so there were a lot less people to produce merchandise, which cause the prices for the things that were actuallybeing made to rise. Therefore, the correct answer is (2).