Complex sentence: Educated in the local schools, Morgan took over his father's mercantile business in 1827 and soon established a large enterprise in buying and shipping agricultural products and also in boat-building, in which he was joined by his brothers.
Split into simpler sentences: Educated in the local schools, Morgan took over his father's mercantile business in 1827. Morgan soon established a large enterprise in buying and shipping agricultural products, and also in boat-building, in which he was joined by his brothers.