B. Representative Government
In 1898, the Spanish- American came into action and the use of naval base at pearl harbor during the war convinced Congress to approve formal annexation, so therefore two years later, Hawaii was named as one of the US's formal territory and at 1959 it became the 50th state of US.
<h2>the correct answer is </h2><h2>The elections were marred by fraud and violence.</h2>