One way in which upton sinclair the jungle and ralph nader's unsafe at any speed are similar is that both resulted in legislation that

Expanded the federal government's role in protecting consumers.

Explanation:

In The Jungle, Sinclair intended to expose the hard circumstances of immigrants in the United States, particularly in Chicago and other industrialized cities. Nevertheless, many readers became further worried about health violations and unsanitary customs in the meat packing industry. The novel then became the main contribution to the public outcry that would lead to reforms such as the Meat Inspection Act.

In Unsafe at Any Speed: The Designed-In Dangers of the American Automobile, Ralph Nader accused car manufacturers of avoiding safety features,  such as seat belts. The Senate was prompted to create the Department of Transportation and the antecedent agencies of the National Highway Traffic Safety Administration.

the assassination of president lincoln was just one part of a larger plot to decapitate the federal government of the u.s. after the civil war. the first reaction to lincoln’s death was disbelief. then it quickly changed to grief. abraham lincoln’s death created an outpouring of grief from citizens in both the north and the south.

explanation:

lincoln was the first u.s. president to be assassinated. president abraham lincoln, america’s civil war leader, was assassinated just five days after confederate general robert e. lee surrendered his army at appomattox court house, ending the four-year war between the states. on the evening of april 14, 1865, lincoln was attending a performance of our american cousin at ford’s theatre in washington, d.c. john wilkes booth – a 26-year old actor, confederate sympathizer, and white supremacist – slipped into the presidential box and shot lincoln in the head. john wilkes booth and his conspirators had initially planned to kidnap lincoln to save the confederate states. but as the confederacy faltered, booth’s thoughts turned to murder. booth may have decided to act on his hatred after lincoln endorsed giving the right to vote to african-american men who had served in the union army.