This is the 17201st most frequent Russian word.
стратегией
The Russian word "стратегией" translates to "strategy" in English, referring to a plan or approach for achieving a goal.
In this sentence, 'стратегией' is an instrumental case form of 'стратегия', showing the method or tool by which something is done, i.e., the strategy being used for discussion.
Мы обсудили нашу стратегией на встрече.
We discussed our strategy at the meeting.
Here 'стратегией' is in the instrumental case, demonstrating the means by which the success was achieved — through their strategy.
Они добились успеха благодаря своей стратегии.
They succeeded thanks to their strategy.
In this example, 'стратегией' is instrumental case to describe the object the company is focusing on — their strategy for marketing.