The system of government in Belgium is federal parliamentary democracy under a constitutional monarchy this is where the executive power in the Kingdom of Belgium is exercised by the Federal Government of Belgium, its ministers, and its secretaries.
The system of government in Barbados is parliamentary democracy under a constitutional monarchy this is where the government of Barbados is headed by the monarch of England who is represented by a Governor General in the country.
The system of government in Bangladesh is parliamentary republic this is where the government of Bangladesh is led by the Prime Minister
The system of government in Bahrain is constitutional monarchy this is where the King of Bahrain appoints the government of the country.
The system of government in Bahamas is parliamentary democracy this is where the Prime Minister acting as the Head of the Government of the country.
The system of government in Azerbaijan is presidential republic this is where the president is the head of state, and the prime minister is the head of government.
The System Of Government In Zimbabwe is a full presidential republic, whereby the President is the head of state.