Complex sentence: Three wars involving the United States during the twentieth century are highlighted as part of this alleged agenda, started by specifically engineered events, including the sinking of the RMS Lusitania, the attack on Pearl Harbor, and the Gulf of Tonkin Incident.
Split into simpler sentences: Three wars involving the United States during the twentieth century are highlighted as part of this alleged agenda. Events said to have been engineered as excuses to enter into these wars include the sinking of the RMS Lusitania, the attack on Pearl Harbor and the Gulf of Tonkin Incident.