Smooth rhymes with soothe
Product of the Cold War it seems,
On 1949, US government received an official confirmation that the Soviet Union had developed a Nuclear bomb.
To maintain the upper hand, President Truman approved the development of the hydrogen Bomb, an equivalent to 500 Atomic Bombs.
Answer:
The power of the Executive Branch is vested in the President of the United States, who also acts as head of state and Commander-in-Chief of the armed forces.
Explanation: