One major reason why New England <span>merchants became leading members of society is because of the immense profits they made through trade with other nations, primarily in Europe--since New England goods and ships were in high demand. </span>
Pennsylvania, Delaware, New York and New jersey
Germany is to blame for starting WWI because they were the first country to declare war before any other country.
They could have come up with a paid labor system as well as invest in mechanical that would have revolutionized agriculture.
Breaking down the money that was used to buy slaves, and finance their travel,food and accommodation, one have enough money to pay labor, even though minimum wage for some several years. The problem have to do with the notion of supremacy and savageness that characterized the whole of humanity in that era.