Final answer:
The Progressive Movement made an impact through people creating unions and striking.
Step-by-step explanation:
The movement that made an impact through people creating unions and striking is The Progressive Movement. During the late 19th and early 20th centuries, the Progressive Movement advocated for social and political reforms. One of the significant ways they brought about change was through the establishment of labor unions and strikes to fight for workers' rights and improved working conditions. Notable examples include the Haymarket Riot and the efforts of the International Ladies' Garment Workers' Union.
Learn more about The impact of the Progressive Movement through unions and strikes