Ataque y muerte de Cristobal de Sotomayor?

number 1 is a)

the russian revolution of 1917 involved the collapse of an empire under tsar nicholas ii and the rise of marxian socialism under lenin and his bolsheviks.

written by alan ward and published in 2003. ward is a historian and was a professor at the university of connecticut.

if this isn't what you are looking i would like to know more details.

the answer to your question is

transform it from an expensive luxury to a mid-priced good