Final answer:
The correct answer is option b) AEMA Foundation Year.
Step-by-step explanation:
The question as presented seems to involve deciphering acronyms and possibly researching historical facts related to an organization's foundation. If AEMA stands for an association or a group that was formed in 1973, it would fall under the subject of Social Studies, as it pertains to historical facts about an organization.
As for the given options in the question, option b) AEMA Foundation Year is likely to be the most relevant choice for defining the subject of the question.