The head of government in a Parliamentary system would be the Prime Minister.
Hope this helps.
Answer:
Japan
Explanation:
Japan was an island with no other countries bordering it, and they even adopted a policy stating that they would do no trade or even contact other countries, and no citizen was allowed to leave.
3rd party is someone who is not one of the main people involved in a business agreement or legal case
I believe it's Donald trump
They can have organizations such as cabinet departments, independent executive agencies, and government corporations