In which two ways were the mauryan and gupta dynasties similar?

The scientific discoveries and the role played in the unification of India.

Explanation: The Mauryan and Gupta dynasties had two important similarities. These are, first, the significant scientific discoveries that both dynasties witnessed, for example the solar year and "pi", and, second, the important role they played in the political union of India since before them the territory of India was divided into several small kingdoms and these two empires unified them.

world war i had a devastating effect on german-americans and their cultural heritage. up until that point   german-americans, as a group, had been spared much of the discrimination, abuse, rejection, collective mistrust experienced by so many different racial and ethnic groups in the history of the united states. indeed, over the years, they had been viewed as a well integrated and esteemed part of american society. all of this change with the outbreak of war.  

is there a year set? the question is incomplete