During world war I, too many young men were found unfit for the service or to fight that provided the impetus for widespread acceptance of school health education as a field in its own right. After this, school health was required of all the children. In the war , bigger men and stronger soldiers with great lifting strength were required.
I believe it is A.) The seperation of church and state.
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: