B. Grammer is spelled incorrectly , it should be grammar.
Compromising your viewpoints and behavior is bad generally: it will in the end only lead to frustration and will be a hindrance in achieving one's goals.
There are many situations in which compromising the viewpoint is bad, and one of the is an interpersonal conflict: it might solve the problem in a short-term, but not in a long term.
I don’t understand your question
They did not mange their plantations
Ralph Waldo Emerson once said, "A foolish consistency is the hobogoblin of little minds."