During<span> the 1960s the availability of primary sources made historical research and</span>writing<span> possible and the debate became more vigorous. Historians Herbert Feis and Gar Alperovitz raised searching questions about the </span>first use<span> of nuclear weapons and their broader political and diplomatic implications.</span>
The president is always top adviser, therefore he is the Head of State of and the Head of the Government of the United States.
Answer:
India is the answer for this question
<span>no force is needed to overcome sliding friction once force has been applied to overcome the starting friction.</span>
