Final answer:
The Progressives introduced direct democracy, women's suffrage, and workers' rights to California politics.
The answer is option ⇒4) All of the above
Step-by-step explanation:
The Progressives introduced all of the above to California politics.
1) They introduced direct democracy through the passage of three state-level reforms - the initiative, referendum, and recall.
2) They fought for and achieved women's suffrage, which gave women the right to vote.
3) They advocated for workers' rights and pushed for safer working conditions for factory workers.
The answer is option ⇒4) All of the above