When did descartes begin his meditations?

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

Montezuma was taken prisoner by the spanish and held captive for months while the spanish ransacked the city of tenochtitlan. what was the fate of montezuma? a he escaped only to be cut down in battle.b he reasoned with the spanish and got them to leave the city.c he died of old age while in the custody of cortes.d he was struck with stones trying to plead for peace with his people and it is reported he died a few days later.

Does anyone know why the second great awakening occurred? (i need an answer asap because this is a question on my assignment! < 3 : ))