Final answer:
The 1960s in America were marked by widespread protests, assassinations of key leaders, and the counterculture movement, making it a highly disruptive, controversial, and violent era.
Step-by-step explanation:
The 1960s was one of the most disruptive, controversial, and violent eras in American history due to several factors. Firstly, there were widespread protests against policies related to the Vietnam War, civil rights, racial inequality, and social issues. These protests were held by various groups, including students, women, and minorities, and often involved violence and clashes with authorities.
Secondly, the assassinations of key leaders, including President John F. Kennedy and civil rights activists Martin Luther King Jr. and Robert Kennedy, further contributed to the unrest and polarization of the nation.
Lastly, the counterculture movement, characterized by widespread social and cultural changes, challenged traditional norms and values. This included movements like feminism, the rejection of conservative ideals, and the rise of radical groups pushing for more extreme forms of change.