Answer:
It´s the sinking of the British passenger ship Lusitania, sunk in the Atlantic by a torpedo fired by a German U-boat on May 7, 1915. The number of mortal victims is 1.198 , 128 of them Americans. It was one of the main factors that contributed to turn American public opinion - and in other nations - against Germany.
Explanation:
India
It's India because they needed vast caste system.
The Prime Meridian, divides the Earth at 180 degrees longitude.
of course it does many things in history caused how we are now, such as ww1 without it there would be no ww2 or no cold war ww1 was a big turning point in history cause it set out the rest of the 20th century
B is the correct answer because the Trans-Pacific Partnership makes trade with low cost manufacturing countries easier; it reduces profits of the America which will cause job cuts and increase unemployment in the United States.
Hope this helps :)