Complex sentence: In the city, Tintin is framed as a terrorist, arrested, and sentenced to death by firing squad; but survives when a revolution topples the government, and the new leader, General Alcazar, appoints Tintin his aide-de-camp.
Split into simpler sentences: In the city, Tintin is framed as a terrorist, arrested, and sentenced to death by firing squad. Tintin survives when a revolution topples the government, and the new leader, General Alcazar, appoints Tintin to be his aide-de-camp.