Answer:
The Fifteenth Amendment (Amendment XV) to the United States Constitution prohibits the federal government and each state from denying a citizen the right to vote based on that citizen's "race, color, or previous condition of servitude".
Explanation:
<em>Answer:</em>
<em>critical periods</em>
<em>Explanation:</em>
<em><u>Critical period,</u></em><em> in developmental biology or psychology, is described as a "maturational stage" in an organism's (animal, human) lifespan during which the organism's nervous system is specifically sensitive to a few environmental stimuli. However, the critical period is the time in which an individual develops language-based cues i.e, around five years to puberty after which it becomes difficult to develop language acquisition and the person is quite unsuccessful in that.</em>
<em><u>As per the question, the correct answer is critical periods. </u></em>
I think captain but I am not sure