Congruent segments are segments that have the same lenght
I do not believe that a strong nation should be able to boss around weaker nations. This is just wrong in that a nation should be free to decide what it wants to do. A strong nation can assist them in developing. How ever they should not rule them. At that point that weaker nation will be stripped by of their sovereignty. This is not that times of Empires.
The European Energy Security Strategy (2014) which acts as guidance for these policies emphasizes the need to become less dependent on other countries.
I think it would be choice B
Pull factors are reasons why groups of people leave a particular place.
