Complex sentence: In January 1946 the Allied Control Council set the foundation of the future German economy by putting a cap on German steel production--the maximum allowed was set at about 5,800,000 tons of steel a year, equivalent to 25% of the pre-war production level.
Split into simpler sentences: In January 1946 the Allied Control Council set the foundation of the future German economy by putting a cap on German steel production. The maximum allowed was set at about 5,800,000 tons of steel a year, equivalent to 25% of the pre-war production level.