What was the outcome of Upton Sinclair's "The Jungle"?

Upton's Sinclair's The Jungle was a novel based on one employee who worked for a Chicago's meat-packing factory. This detailed novel described horrendous conditions and gruesome visions of contaminated meat. This brought forth significant changes within the meat-packing industry. America's business of canned meat was declining within the country as well as the world. Lack of trust and controversy surrounding the meat-industry caused President Roosevelt and Congress to take initiative of the situation. This began …

…Meat Report May Be Conservative", New York Times, Vol. LV...No. 17,663, 4 June 1906, 1 6)"President's Threat With Meat Report", New York Times, Vol. LV...No. 17,664, 5 June 1906, 1-2 7)"Sailors Bar Canned Meat", New York Times, Vol. LV...No. 17,666, 7 June 1906, 1 8)"Four Killed By Sausage", New York Times, Vol. LV...No. 17,678, 19 June 1906, 1 9)"Agree on Meat Bill; Both Sides Give In", Vol. LV...No. 17,678, New York Times, 19 June 1906, 1-2 10)"Cudahy Plant Is Shut Down", New York Times, Vol. LV...No. 17,623, 24 June 1906, 2