This quote by Ralph Waldo Emerson emphasizes the influential and persuasive nature of speech. It suggests that through speech, one has the power to convince, persuade, and compel others to take action or change their beliefs. Speech is a tool that can be used to assert authority and influence outcomes.
The word compelled is a regular verb. It is the past tense of the verb compel.
compel
compel
He was trying to compel the United States to fight against the Soviet powers.
I will compel him to tell the truth.I wish I could compel my cat to come when I call.
You can't compel me to answer this question.
The question is incomplete; it needs whatever action the British persuaded enslaved Africans to perform. If it asking about slavery in general, the British did not "persuade" the Africans to be slaves. They received them in chains from rival African Kingdoms or Tribes that had already enslaved them and the British used force to compel them to remain in slavery.
Tagalog translation of compel: pilitin
Very hard to answer this question without knowing what the motion to compel was requiring of you.
of Compel
complaint
The abstract noun form of the verb to compel is the gerund, compelling. A related abstract noun is compulsion.