Complex sentence: In July 1970, Colonel Carlos Arana Osorio assumed the presidency, with support of the army and representing an alliance of the MLN-the originators of the MANO death squad-and the Institutional Democratic Party (MLN-PID).
Split into simpler sentences: In July 1970, Colonel Carlos Arana Osorio assumed the presidency. Arana, backed by the army, represented an alliance of the MLN-the originators of the MANO death squad-and the Institutional Democratic Party (MLN-PID).