What single event began the chain reaction that led to world war1

Put the events of the cuban missile crisis in the correct sequence

After world war one, how did the allied countries hope to keep germany from becoming too powerful again?

It can be inferred that the dramatic increase in defense spending by germany was the result of. (a) attempts by great britain to take german colonies. ( b) fear of a two-front war against france and russia (c) the need to put down a communist rebellion (d) a competition with the allies to produce atomic weapons