Hey there! I believe your answer is
the late 1960s. MLKjr gave his speech in 1967, which in turn is apart of the late 60s era. Hope this helped!
Thanks,
Your friend on brainly,
~Steve
A woman with a baby requested a grand piano with three wooden legs
Platoon means a group of people or things that work together under a leader.
Examples can be:
A platoon of soldiers, which has ~16 - 50 soldiers
A platoon of tanks, which has ~4 - 9 tanks
etc.
hope this helps