They did this so there thing will be set up right they ask for approve first. They had to ratify the constitution they need more power. They made sure the thing they did were approve first.
Then the three powers protected the rigth of the people already. I think everyone want to have there rigth about thing. The people want to have the rigth get to go do something, if they did not have this then maybe they would not have this.
The last thing is that will have a stronger government form and they really need it they need to be able to work together to make it. All the government want to have a stronge