Complex sentence: In December 1986, the government decided to devalue the official exchange of the national currency bolivar by 93%, culminating with three years of depreciation of the national currency from February, 1983, also introduces a system of multiple currency changes.
Split into simpler sentences: In December 1986, the government decided to devalue the official exchange of the national currency bolivar by 93%, culminating with three years of depreciation of the national currency. Starting February, 1983, also introduced was a system of multiple currency changes.