The advantage of a federal government would be It Allows local states to be independent and has an autonomy toward their territories, while providing opportunities for the central government to intervene.
The disadvantage would be there would be less uniformity between people on different states in response to the issues that the country face.
Buddhism spread across Asia through networks of overland and maritime routes between India, Southeast Asia, Central Asia, and China. The transmission of Buddhism to Central Asia and China corresponded with the development of the silk routes as channels for intercultural exchanges.
The best way to see if this substance is actually an illegal drug is to use a field test called a NIK that will respond to a certain kind of drug, which will confirm or deny if the substance is illegal or not.