How many roman emperors ruled during the 50-year period chart?

Me i really need which of these was an accomplishment of the han dynasty? the invention of the seismograph finding a water passage to europe the invention of the ballpoint pen the invention of the abacus

Did the spanish settlers and missions have a positive effect on world history? why, what did they do that was positive? why was the treaty of paris (1763) good for the world/world history? did the plymouth colony have a positive effect on world history? why, what did they do that was positive?

Igor stravinksy’s ballet, the rite of spring, featured clashing music, harsh sounds and deliberately ugly dancing. upon its premier, theater goers literally rioted in the seats of the venue. historians argue this moment is a “breaking point” where europe proves it is destined to be plunged into world war i. why would historians make such a claim? a people were genuinely angry that someone so bad at composing could make a ballet b the ballet represents colonialism. it showed the consequences of centuries of exploitation of non-european people. c the ballet represents the changing ideologies of modernity. the youth of europe breaking all the old rules and the old guard clinging on to the last bits of power d the ballet represents war itself. it drudged up old rivalries between the french and german peoples, inciting the lust for combat.