Answer:
caffeine.
Explanation:
When Xi consumed several cups of coffee to stay wake for another hour.Coffee contains caffeine.Since caffeine is psychoactive drug and it is legal also unlike other psychoactive drugs.You feel more energetic.It acts as a central nervous system stimulant and when it reaches the brain it causes alertness and you will feel more awake.But Xi consumed more than he needed hence he was not able to go to sleep.
The founder is Wilhelm Wundt
As the Western Roman empire from the collapsed, a new empire emerged with the dream of reuniting the two empire together and bring glory back to Rome. The Byzantine Empire, a place that start with the name of Byzantium, a city in Rome. In 285 CE, the Roman empire has grown too big to be able to be controlled by the Roman Government so the emperor Diocletian split the Roman Empire into two, East and West. Constantine later then became the new emperor for Byzantine and renamed the capitol city of it to Constantinople. Byzantine was a huge empire in Europe, next to the Roman’s and it’s capital is nowaday Istanbul.
Influencing governments can be done through voting, lobbying, or protesting.
