Picture please? I don’t understand what you’re asking, sorry.
Trade was so much easier. Just look at a map. If it weren't for the Panama Canal, you would have to round ALL of South America to trade from east coast to west coast. Now, you just had to travel to the middle of America, reducing the likeliness of accidents as well as the time spent on travel for trading
Answer:
They had different beliefs about slavery.
hope this helps