How are the roles of head of state and cheif diplomat similar?

 here are a list of roles  Summary Chief Executive Executes the laws, appoints key federal officials, grants pardons, and reprieves Commander in Chief Runs the armed forcesChief Diplomat Negotiates with other countries Chief LegislatorSigns or vetoes legislation, introduces legislation, works with Congress on the budget
I hope this helps

I think they both represent the nation in dealing with government. Head of state is also a chief diplomat in which they do the same thing. Hope Im right!

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