I'm pretty sure the answer is be
Explanation:
1) A person could substitute one army for the other
2) One person could agree to fight in place of another
Robert Boyle wrote and published "The Sceptical Chymist: or Chymico-Physical Doubts & Paradoxes" in 1661. Sir Isaac Newton wrote many works but could be best remembered for "The Principia: Mathematical Principles of Natural Philosophy" in 1726. Both of these works could be considered the beginning of the scientific revolution (though I do not believe that either Boyle or Newton would want "revolution" term used in later discoveries as a result of their work.)
<span>Jahangir was a distinctly Muslim ruler due to the laws and regulations he implemented into his society that coincided with Islamic teachings and values, such as assisting the sick by building hospitals and banning alcoholic drinks. He and his father departed from these principles by drinking wine themselves.</span>