Complex sentence: However, on February 12,1870 the militia were reduced to "en cadre" until their disbandment on April of 1898 after Puerto Rico is ceded to the United States by Spain as part of the Treaty of Paris.
Split into simpler sentences: However, on February 12,1870 the militia were reduced to "en cadre" until their disbandment on April of 1898. In 1898 Puerto Rico is ceded to the United States by Spain as part of the Treaty of Paris.