Answer: sir Issac Newton is well known for his discoveries in optics (white light combustion) and mathematics (calculus), it is his formulation of the three laws of motion.
The nuclear factor changed it but i think it aslo fought
well A and C both happened in the 80's but B was in the 70's.. So someone made the choices unreliable. But the best answer would be
<u>D.) All of the above.</u>
The Articles of Confederation A. created three branches of government, to reflect the principle "separation of powers"
The Marshall plan gave economic aid to the third world countries making them democratic instead of communist
