it most likely made people doubt!they had no faith when they 'feared'. Be unable to see solutions
Aphasic. Or having aphasia.
A person who can not or will not speak is known as a 'mute'
Be unable to see solutions
It is not accurate to say that "dumb" people are unable to speak. People may have difficulty speaking due to various reasons such as speech disorders, physical disabilities, or language barriers. Intelligence is not the sole determining factor in someone's ability to communicate verbally.
Sometimes, but there are people who are good researchers who are unable to speak in front of an audience.
'The beneficiary is unable to speak due to her disabilities' is correct.
what are you talking about? The correct definition of dumb is unable to speak or can hardly speak at all. this question doesn't make sense unless you mean how stupid do people get and in that case, some are VERY stupid.
Someone who is unable to speak or be understood.
Aphrasia is the condition of being unable to speak.
I assume you mean "Was Helen Keller unable to speak", to which the answer is she did learn to speak.
If someone is unable to speak, it's called being 'dumb'.