Which of the following statements illustrates the impact of the reform era (1900–1920) on US political parties? O Reforms strengthened the ability of political parties to hold officeholders accountable.

O Reforms limited the power of political parties by reducing the number of government positions they controlled.

O Reforms led parties to reduce the influence of party bosses by using nominating conventions to choose their
candidates.

O Reforms led political parties to reduce voter requirements, making it easier for people to participate in elections.