The answer for this question is: <span>the election of Abraham Lincoln as President
Abaraham Lincoln was always known as someone that really see slavery as something that undermines human's value.
Not long after elected as president, Abraham Lincoln made several policies that make it harder for the southern states to keep their slaves, which led to the first secession.</span>
Answer:
They had no goods to trade
There are several ways in which the growth of Alexander’s empire spread Greek culture, but the most important way was that culture was imposed wherever he went.