Complex sentence: However, the majority of Korean settlement occurred in the late 1960s; as the South Korean economy continued to expand in the 1980s, investors from South Korea came to Latin America and established small businesses in the textiles industry.
Split into simpler sentences: However, the majority of Korean settlement occurred in the late 1960s. As the South Korean economy continued to expand in the 1980s, investors from South Korea came to Latin America and established small businesses in the textiles industry.