Complex sentence: He organized the Union Démocratique et Sociale Gabonaise (UDSG), whose leadership came mostly from the interior, particularly Woleu-N'Tem province; in 1952 he was elected as Woleu-N'Tem's representative in the Territorial Assembly.
Split into simpler sentences: He organized the Union Démocratique et Sociale Gabonaise (UDSG), whose leadership came mostly from the interior, particularly Woleu-N'Tem province. In 1952 he was elected as Woleu-N'Tem's representative in Gabon's Territorial Assembly.