Complex sentence: The Spaniards saw the Moroccan defeat in 1844 and the 1856 treaties with the British as a sign of weakness, spurred by a national passion for African conquest, the Spaniards declared war on Morocco.
Split into simpler sentences: The Spaniards saw the Moroccan defeat in 1844 and the 1856 treaties with the British as a sign of weakness. Spurred by a national passion for African conquest, the Spaniards declared war on Morocco.