After the assassination of the archduke of Austria-Hungary. one country wanted to go to war with the other.
pulling the forced alliances with other countries into the conflict.
other events such as the sinking of the Lithuania, caused America and more of its allies to join the fighting also
Reflexology was developed in the 1930's + 1940's and is originated from China.
The rail road brought several advantages to the north it helped get supplies to those who needed it it was also a way to transport soldiers
Russian Orthodox Christianity. So im assuming the answer is Christianity.
He combined vertical and horizontal integration.
