Complex sentence: On 20 June 1953, Eisenhower, now the president, approved the deployment of nuclear components in equal numbers to non-nuclear components, and the Atomic Energy Act of 1954 amended the sections of the old act that gave exclusive custody to the AEC.
Split into simpler sentences: On 20 June 1953, Eisenhower, now the president, approved the deployment of nuclear components in equal numbers to non-nuclear components. The Atomic Energy Act of 1954 amended sections of the old act that gave exclusive custody to the AEC.