Answer
Because he ignored his past battles. he was promoted quickly ,he wanted to learn from his mistakes .
Explanation:
He learned from his mistakes.
C. The continental system
The right answer for the question that is being asked and shown above is that: "B. the Russian Empire" Between 1870 and 1900, a number of new nations were created from <span>B. the Russian Empire</span>
During formal discussion, mental notes could help you maintain your focus/attention for the point that given by another speaker so you could give your opinion or counter argument later.
This will give the impression that you're an attentive and a competent person.