The answer should be A, "Communism promised jobs after the insecurities of war." Hope this helps!
Then there would be no clean oxygen
<em>A</em><em> </em>because of something that god knows
<em>B</em><em> </em><em>because of something that god knows</em>
<em>c</em><em> </em><em>because of something that god knows</em>
<em>D</em><em>because of something that god know</em>