Answer: Both
Explanation: The league of Nations was both because it was Sucessful in small ways, but over all it was a majority failure.
They knew that people were going to change, and that the Constitution had to change with them. In order to be a working document, it had to be changed to reflect what was going on. At the same time they wanted changes to be taken seriously so they made it difficult to change things.
Slave status was traditionally assigned to people living in tribes who were very poor, they did not posses lands,. The most ancient civilizations had some form of slavery present in early days. It seemed that slavery was necessary to construct the New world because they helped sustain the coffee, tobacoo, sugar and most of the economy.