This statement doesn't have a correct answer because "right" is determined of the mindset of the president and people.
A bill is a document that needs to be approved by the house, senate, and ultimately the President in order to become a law. In short: It is a not yet approved law.
The answer to this question is: Observation Method
The Greeks culture was considered really advanced during that time because they had a lot of curious scientist that keep questioning everything that happens around them.
The observation method is being done simply by watching a specific occurrence in our environment and start to build our analysis on what causes that specific occurrence
