Complex sentence: Unwilling to accept this, the Moroccan Army of Liberation waged war against the Spanish forces and in the Ifni War of 1958, spreading from Sidi Ifni to Río de Oro, gained Tarfaya.
Split into simpler sentences: Unwilling to accept this, the Moroccan Army of Liberation waged war against the Spanish forces. In the 1958 Ifni War, which spread from Sidi Ifni to Río de Oro, Morocco gained Tarfaya.