Because the toxins from gas are not good to breath in and eventually we will al die from it
I don't know if you have to choose only one answer, because answers 2, 3, and 5. It affected throughout the world, and it also reduced communist nations and changed boundaries.
The two closest terms are C. acculturation and assimilation.
Both terms refer to the process in which two cultures meet and interact and "borrow" some aspects of the other culture - the difference is that assimilation produces more similar culture.
In contrast appropriation is a one-way process: only one culture takes on the characteristics of another culture.
I assuming that you are asking me to identify which one a leaning telephone pole fits under so my answer is slump. Im sorry if that is in fact NOT what you were asking.