article_snippet: State troopers deployed tear gas against the marchers, drawing widespread outrage which contributed to the passage of the Voting Rights Act later that year .
article_snippet: High-quality images of the authorities' brutal response helped galvanize change and push through the Voting Rights Act just five months later.
article_snippet: But, taking the lead of other news outlets, his images were released - and helped effect a profound change in the fabric of America.