The work of Issac newton is he discovered the gravity.
when he was sitting the the shed of the tree than an apple suddenly fall in his head but he did not realize and again the apple hit the Issac newton head. so there is a saying that there is an apple in Newton head. after that he pick the same apple and thrown into the tree than the apple goes up than again it came down than he think that an object thrown up how it again comes down than later on by many experiment and research he find that it is due to gravity. so this Way he discovered gravity.
In comparison to the deferred compensation of 1833, it authorized entirely duty-free entry of many raw resources used by U.s. economy. It also specified that all tariffs should be charged to importing companies in cash without any credit allowed.
It was only German unrestricted submarine warfare that directly contributed to American involvement in the war. It would take the bombing of Peal Harbor to completely bring the US into the war.
