To help conceal the chaos in Catholic and Protestant churches
Answer:
Having entered the war to support its allies, they believed Russia should maintain its commitment until a final victory was achieved. Others believed that surrender or negotiated peace with Germany would jeopardise Russia's international standing.
It's "more adults are delaying having children or choosing to remain childless."
Militarily they gained stronger weaponry and more mass weaponry to attack with, while economically they now had the ability to mass produce things like wool and textiles, but they both wanted and needed more to keep the industry going, and Africa had untapped potential for them.
Chester Alan Arthur is the answer