I believe the answer is: <span> Through their actions
since they cannot verbalize words to describe their feelings, infants would communicate their post traumatic stress disorder through the movement in their hands (that look like they're violently grasping the air) or by constantly have fearful expressions regardless of their situations</span>
Anyone can be a modern day slave you might even not know it .The most common modern day slavery is human trafficking, forced labor, debt bondage, descent, slavery of children, and forced/early marriage. people end up modern day slaves because they are vulnerable to being tricked, opportunity to provide to there family’s or are pushed into jobs in exploitative conditions .
The same interest are called caucuses