Another of the underlying causes of World War I was entangling alliances - when more countries joined the war because they were allies with the countries involved in the conflict. How did this entangling alliances lead to WWI?

What eventually brought an end to the brook farm experiment? a.) george ripley ran out of money to fund it.b.) many former inhabitants spoke badly about it in the press.c.) a fire destroyed the central building of brook farm.d.) the experiment never recovered after a mass exodus of inhabitants in 1848.