The answer I believe should be “A”
Political machine<span>, </span><span>in </span>U.S.<span> politics, a party organization, headed by a single boss or small autocratic group, that commands enough votes to maintain political and administrative control of a city, county, or </span>state<span>.</span>
The only group is the Pueblo. The rest aren’t groups
An official appointed by a government to live in a foreign city and protect and promote the government's citizens and interests there.
"the British consul in Israel
Similar to an ambassador