Complex sentence: In July 1971, Lango and Acholi soldiers were massacred in the Jinja and Mbarara barracks, and, by early 1972, some 5,000 Acholi and Lango soldiers, and at least twice as many civilians, had disappeared.
Split into simpler sentences: In July 1971, Lango and Acholi soldiers were massacred in the Jinja and Mbarara barracks. By early 1972, some 5,000 Acholi and Lango soldiers, and at least twice as many civilians, had disappeared.