The answer is B. Citizens don’t have time to vote on every issue so we elect representatives to vote for us
D: Belief that human problems are solvable throughout science and technology alone
I can't help you with your second question but heres a site that I've found to help you with your 1st one. I hope this helps^-^
https://nationalinterest.org/feature/5-big-lessons-the-first-gulf-war-13536
In 1871 two new major states of Europe had been formed—the German Empire and the kingdom of Italy. The new German Empire, under the hand of Otto von Bismarck<span>, was steered carefully, always with an eye upon France, for the Franco-Prussian War (1870–71) had left France thirsting for revenge and for recovery of the lost provinces of Alsace and Lorraine.</span>
<span>The Russian president who called for public demonstrations against the hard-line Communists' attempt to retake the government in 1991 was </span>Boris Yeltsin.
c. Boris Yeltsin