Standardization Bodies

Step 1: Identify the organization. The question is about the International Standardization Association (ISA). It is important not to confuse it with its successor, the International Organization for Standardization (ISO).

Step 2: Recall the historical timeline. The ISA was an international body created to promote standardization. It was founded in 1926 and commenced its operations in 1928. It worked primarily in mechanical engineering.

Step 3: Note its dissolution and succession. The ISA suspended its activities in 1942 during World War II. After the war, it was replaced by the modern ISO, which was founded in 1947. The closest and most accurate answer regarding its establishment period from the options is 1928.