Martin Luther King Jr. wrote "Letter from Birmingham Jail" to . Select all that apply. announce a boycott of all segregated businesses defend the use of nonviolent resistance prove that he was unlawfully detained address criticisms from members of the clergy

Martin Luther King Jr. wrote the Letter from Birmingham Jail to defend the use of nonviolent resistance.

Explanation:

The Letter from Birmingham Jail is an open letter written by Martin Luther King Jr. in 1963. It's considered to be the most important document of the civil rights era. It invites people to fight for justice in a peaceful, nonviolent, manner, calling that their moral responsibility. According to King, people shouldn't wait for justice to come through the courts, but take things into their own hands. Otherwise, they may never defeat injustice.