I believe it would/can be C and A
Hope it helps :D
<em>D. </em><span><em>Rome could not grow enough food and maintain a large enough army to fend off barbarian tribes.</em>
<em>It is true Rome could not grow enough food and maintain a large army because of the barbarian tribes. Non of theses answers would be true but D.</em>
<em>I hope this truly did help!</em></span>
The Russian Empire was compromised of a vast amount of lands, so subsequently there are dozens of different ethnicity's across it including the Bashkirs, Yakuts, Nogais, and etc.
Answer:
There was a significant disillusion towards being able to assist Europeans and other nations in fighting off significant threats. At the same time, postwar disillusion in Europe resulted in a general rejection of the institutions and ideologies that plunged the continent into the worst of all wars.
Explanation: