What significant milestone did FFA achieve in the year 1930?

The correct answer highlights a key moment in FFA's history regarding membership. In 1930, FFA established its official membership criteria, which primarily restricted membership to boys. This decision was reflective of the societal norms of that era, where gender roles were more rigidly defined. Understanding this milestone is crucial because it shaped the early structure of the organization and influenced its development over the years.

The significance of this restriction can be observed in the context of how the organization evolved. Eventually, FFA recognized the need for inclusivity and expanded its membership to include girls starting in 1969. This change represented a major shift in FFA's values and policies, aligning the organization with more progressive views on gender equality.

Although the introduction of the creed, the creation of leadership awards, and the first national convention are also important events in the history of FFA, the specific membership restriction is what defines the 1930 milestone. It marks a foundational aspect of the organization's identity during its formative years, influencing the demographic makeup of its early membership and shaping its activities and programs.