You should write about what he discovered and how it affects us today and about the steps leading to the day he found a way to sail around the island
The division of powers is between State and National Governments.
Because the Europeans didn’t have the brain power to successfully do things on their own. They would steal from other countries and take their ideas. While other places were prospering they were lost.
Generally speaking, the chief executive is a member of the legislative branch in a "unitary form of government", since in this government there is only a single governing body.