Complex sentence: The Nigerien Action Bloc (BNA) was a political party in Niger in 1955 and 1956 led by Issoufou Saïdou Djermakoye, a traditional chief and former chairman of the Nigerien Progressive Party (PPN).
Split into simpler sentences: The Nigerien Action Bloc (abbreviated BNA) was a political party in Niger, active from 1955 to 1956. The party was led by Issoufou Saïdou Djermakoye, a traditional chief and former chairman of the Nigerien Progressive Party (PPN).