Establish and enforce laws
I think it was because a bad winter in Russia
It allowed materials to be shipped easier and get things farther
Serves as a leader: what he says, people will follow. Hence why it’s ludicrous for him to suggest ingesting disinfectant.
Commander in chief: Leads the strategy in military
Appoint ambassadors and chairs of cabinets and departments
Influences policy making by using veto power.
Can initiate trade.
Etc.