They have a common because they all share a location which can be implemented on maps
Based on information, your corrct answer would be Option C. Before battles, the Persian Empire became very strong, and they had a good leadership mainly because of Cyrus. And because they were so strong and they had enough power, they simply just drove them out of their land and expanded there land control over to Asia.
That is because the Czar knew that fighting the Austria-Hungary empire and Germany was inevitable and war was brewing. Of course, Russians did not see the end of the war due to the Bolshevik revolution that had them retreat from the war and cease their participation and overthrowing the king.
<span>After his death his son succeeded him and added to his empire by conquering more of Europe and china, eventually the mongolian empire died out.</span>