Factors leading the germans to sue for peace included all of the following except, there is only 1 answer :

(a) the surrender of turkey and bulgaria

(b) the split of austria-hungary

(c) the strength of the allied drive

(d) a secret treaty with russia

Who ever answers first gets ! trade in the vedic age led to a.the rise of kingdoms because of the importance of controlling land and long-distance travel routes b.the building of an extensive system of roads because of the difficult terrain c.the creation of a large banking class because of the need to exchange different currencies d.the development of a centralized government that controlled the economic decisions of its people