Final answer:
The three broad means proposed by the progressives for furthering reform were political reform, social reform, and economic reform.
Step-by-step explanation:
The three broad means proposed by the progressives for furthering reform were:
- Political reform: Progressives sought to promote wider democracy and increase citizen control over government.
- Social reform: Progressives aimed to address social injustices and improve the conditions of certain groups, such as African Americans, women, and immigrants.
- Economic reform: Progressives called for government regulations and policies to protect workers' rights and consumers, including measures to regulate trusts, monopolies, and ensure consumer safety.