Complex sentence: The first immigrants arrived in 1824, settling in the city of São Leopoldo, and over the next five decades, another 28,000 Germans were brought to Rio Grande do Sul to work as small farmers in the countryside.
Split into simpler sentences: The first immigrants arrived in 1824, settling in the city of São Leopoldo. In the next five decades, another 28 thousand Germans were brought to Rio Grande do Sul to work as small farmers in the countryside.