One of the impacts of the protests and increased violence in the late 1960s was that

protesters gained control of governments.
police brutality decreased significantly.
more people lost faith in government.
more people were finally unifying.

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more people were finally unifying.

Explanation:

"The sixties", as they are known in both erudition and popular culture, is a term used by historians, journalists and other objective academics; in some cases, with nostalgia, to describe the counterculture and the revolution in social norms on clothing, music, drugs, sexuality, formalities and education; and in others pejoratively to denounce the decade as an irresponsible excess, extravagance and decadence of the social order. The decade was also labeled Swinging Sixties due to the fall or relaxation of social taboos especially related to racism and sexism that occurred during this time. Commentator Christopher Booker described this era as a classic Jungian nightmare cycle, where a rigid culture, incapable of containing the demands of greater individual freedom, freed itself from the social limitations of the previous epoch by an extreme deviation from the norm. Trace the rise, the success, the fall / nightmare and the explosion in the London scene of the 1960s. Several Western nations like the United States, the United Kingdom, France and West Germany resorted to the political left in the early and middle of the sixty.

africa

explanation:

porter is writing economic history because he is focusing on the cost of developing vaccines.