Explanation:
your answer is here brailist or follow me if u want...
Lateen sail, astrolabe, magnetic compass, rudder, mapmaking skills (Latitude and Longitude), Caravel (let ships sail INTO the wind); All helped with European Exploration; Islamic scholars saved Greek and Roman texts, zero, medical advances, numbers/algebra
This depends on the system, the kind of information they need, etc...
In the most democratic countries, government sites might prove most reliable. In other, independent journalists might be better. In a way, it's almost impossible to be sure your information isn't biased.... the best is if you know who wrote it and what their agenda is: if they news is left-wing and what they report is not very left-wing, then it's perhaps reliable.
Plows and irrigation
This was the only one that really made since for landscape
Monarchy is an example of B.) autocracy government
Representative government is where the citizens have a say in what the government chooses, the laws have to have majority vote through the citizens to pass.
Oligarchy is when there is an unelected group making the decsisions for the whole country.
