Complex sentence: On October 26,1970, President Eduardo Frei Montalva, named General Carlos Prats as Commander-in-Chief to replace General Schneider, while at the same time, ironically, $35.000 were given by the CIA to the kidnappers as "humanitarian" assistance.
Split into simpler sentences: On October 26,1970, President Eduardo Frei Montalva, named General Carlos Prats as Commander-in-Chief to replace General Schneider. Ironically this happened at the same time that $35,000 were given by the CIA to the kidnappers as "humanitarian" assistance.