The Russian Revolution resulted in Russia "<span>c. withdrawing from the war" during World War I in 1917, since they had to focus almost exclusively on the new domestic issues. </span>
Answer:
the only presidential election in which a president and vice president were elected from opposing tickets
Explanation:
He made those who opposed him slaves
That would be Czechoslovakia.
Answer:
Vaccines
Explanation:
It is not known if it was a Chinese or Indian discovery but it was not popularized before the use in 1796. In 1796 Edward Jenner inoculated a boy in England and that prevented him from getting smallpox. This was later used as the groundwork for developing vaccines and today's vaccine culture and mass immunization would not be possible without Jenner and his experiments.
