Complex sentence: In 1990, Maxine Asher started AWU, which operated out of a Rapid City, South Dakota office until 2000, when an increase in Iowa standards for post-secondary institutions led it to relocate to Pascagoula, Mississippi.
Split into simpler sentences: In 1990, Maxine Asher started AWU, which operated out of a Rapid City, South Dakota office until 2000. When an increase in Iowa standards for post-secondary institutions forced it to relocate to Pascagoula, Mississippi.