What year did the First World War begin?

Which groups of people most directly benefited from song innovations in the song dynasty‘s open border policy?

The industrial revolution began in great britain for a number of reasons. two advantages great britain had which were necessary for industrialization were a. raw materials and a large workforce. b. unstable politics and a small landmass. c. abundant land and a small population. d. private wealth and a strong military.

How can i cope with anxiety/stress ? i need the best ways.