Dr. Preston is a specialist who goes to areas that have been hit by natural disasters and works with teams there to manage the resulting crises among the members of the public who have been affected. Dr. Preston is most likely a(n) psychologist.

community                    

Explanation:

Community psychology is determined as one of the different branches in psychology that encompass the study of the way different individuals tends to communicate or relate to their specific communities and also the opposite effect of these communities in the individuals' life.

However, community psychologists research the problem, unpleasant, and undesirable situations of different communities to uncover various ways in order to make improvements.

Dr Preston is most likely a community psychologist.

answer; /// i believe that the correct answer is (a) making presentations;

acts of terrorism occur globally. the united nations global counter-terrorism strategy was created in order to build adequate systems of support and solidarity with victims of terrorism. here´s a summary of the proposed key themes: the importance of giving victims a face and a voice; protecting their dignity; giving victims legal status and defending their legal rights; providing victims with medical, psycho-social and financial support; building solidarity with victims; improving media coverage of victims; and focusing on the link between victims and counter-terrorism efforts more generally.