Complex sentence: As the situation in the Republic of Afghanistan deteriorated with massive uprising occurring all over the country, the then prime minister Hafizullah Amin, seized control when he overthrew president Nur Mohammad Taraki.
Split into simpler sentences: As the situation in the Republic of Afghanistan deteriorated with massive uprising occurring all over the country. The then prime minister Hafizullah Amin, seized control when he overthrew president Nur Mohammad Taraki.