The government of is a monarchy, while the government of is a parliamentary democracy.
a.
guam . . vanuatu
b.
tonga . . papua new guinea
c.
the marshall islands . . samoa
d.
american samoa . . the northern marinara islands

the correct answer is

The correct answer is - B. Tonga...Papua New Guinea.

Tonga is a small Pacific nation consisted of numerous islands. This country has a government of the monarchy type. The King is the head of the nation and he is the one that controls the armed forces as well. The prime minister is voted in the parliament by the members of it but can only be appointed by the King.

Papua New Guinea, on the other hand, is a country where the government type is a parliamentary democracy. It is a country with multi-party system where the people vote for the leaders of the country as well as for the representatives of the parliament. The head of the nation is the Prime minister and he is the political figure that has the most power.