I think the correct answer is
(A) changing in abiotic factors
Bereavement; is the experience of losing a loved one, and is the intense psychological response that often follows grief.
Losing a loved one is the experience of bereavement. Grief, the process and variety of feelings we experience as we progressively come to terms with the loss, is what defines it.
The most frequent illness that can arise from bereavement is depression. Adults who go through a divorce or lose a spouse or kid frequently experience it.
A major depressive illness and between 30 to 50% of post-traumatic stress disorder are both present in about half of those who experience difficult mourning.
To know more about Grief here
brainly.com/question/16877564
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The 15th Amendment to the U.S. Constitution granted African American men the right to vote by declaring that the "right of citizens of the United States to vote shall not be denied or abridged by the United States or by any state on account of race, color, or previous condition of servitude."
The answer is 3. I should know, I just studied this.