Complex sentence: In the late 1970s, Balvanera became a favored location for electronics import shops while keeping its traditional garment district; newly arrived Korean and Chinese immigrants became a strong presence in several fields of commerce (see Asian-Argentines).
Split into simpler sentences: In the late 1970s, Balvanera became a favored location for electronics import shops while keeping its traditional garment district. Newly arrived Korean and Chinese immigrants became a strong presence in several fields of commerce (see Asian-Argentines).