Respuesta :
Answer:
the assassination of President Lincoln
Explanation:
Robert Watson refer to the historical events in his diary about the assassination of President Lincoln. Option B is correct.
Who is Robert Watson?
Since the 1980s, Sir Robert Tony Watson has focused on subjects such as ozone depletion, global warming, and planetary geology in the field of environmental science.
He is the foremost author of the United Nations' Creating Peace with Environment report, which was published in February 2021.
He wrote a diary, a member of the Florida Coast Guard, in which the main focus of historical events that is included in the diary is the assassination of President Lincoln.
Therefore, option B is correct.
Learn more about Robert Watson, refer to:
https://brainly.com/question/26693975