According to mary parker follett, in the context of constructive conflict and coordination involves invention.

The corrected answer is “According to Mary Parker Follett, in the context of constructive conflict and coordination, integration involves invention.”  

Mary Parker Follett was an American philosopher, social worker born in 1868. One of her most famous papers was “constructive conflict” based on inventive integration which she has presented in 1925. The paper is about her idea of different constructive conflicts within organizations and businesses and how using inventive integration elements can help to resolve those conflicts and many years after release the paper had been serving as an important resource for conflict management by the personnel of many enterprises.  

the answer is b, encourage free trade