Is competition necessary for sucess

It's not necessary but is appreciated because it means you care if your successful. It means you are driven to got that extra mile, it lets you go that extra step from being successful and a successful person. Competition drives people to doing stuff they never dreamed they could have so in a way it can be important.

Competition teaches us about goal setting. Creating and setting goals is an important part of being in any competitive landscape. ... Goals created for competition contribute to building persistence and determination as individuals increase their challenges and develop a mindset focused for success.

Explanation:

in what passage i'm sorry but i don't see anything there.

the answer is: the start of world war i, and russia’s hopes of benefiting from it

during world war i russian joined due to in their current crisis they were being supported by france and the war was already declared to them by germany, they needed to maintain their political goal and leadership role in the balkans, and is the same feeling that this excerpt evoke the eager of maintain the land value.