Complex sentence: One of the first movies designed to fit this plan was United Artists "Cotton Comes to Harlem" which was released in 1970 and became the biggest grossing black film to date bringing a revenue of over $15.4 million.
Split into simpler sentences: One of the first movies designed to fit this plan was the United Artists film "Cotton Comes to Harlem". It was released in 1970 and became the biggest-grossing black film to date, bringing a revenue of over $15.4 million.