The answer is gunpowder and square sails
B. Veto laws :) that’s the answer I’m actually learning about this now hope this helped :)
Industrialization in the north caused the civil war. The industrial revolution in the North, during the first few decades of the 19th century, brought about a machine age economy that relied on wage laborers, not slaves. I hope that this is the answer that you were looking for and it has helped you.
English: The biggest city in Europe is Constantinople, with around 50,000 to 500,000 contingent upon the specific time frame. In 1300, when Constantinople was in decay, there were only 5 urban areas more than 100,000 in the entirety of Europe: Paris, Milan, and Grenada at around 150,000, and Florence and Venice at around 100,000.
Español: La ciudad más grande de Europa es Constantinopla, con alrededor de 50,000 a 500,000 dependiendo del marco de tiempo específico. En 1300, cuando Constantinopla estaba en decadencia, solo había 5 áreas urbanas más de 100,000 en toda Europa: París, Milán y Granada con alrededor de 150,000, y Florencia y Venecia con alrededor de 100,000.