animosity, animus

Animosity or animosity means a feeling of enmity or ill will--
Displaying animosity toward your boss was a bad idea; you might have been fired.
He's mad at the world; he acts out animosity with nearly everyone.

Animus or animus means a driving or animating spirit; the purpose or intention--
Let's make sure that doing good remains the animus of our organization, and that fundraising comes second.
The animus of this work seems to be love of nature, but it might be considered a religious work.

Now that you know that, you can say--
"The animus of his political campaign has been animosity to the established order."

Note--"A minus"  or "A-" means a school grade of less than "A", or a low "A"--
He got an A minus in math and a B plus in science.
He got an A- in math and a B+ in science.
Not to be confused with "a minus" ( two words ) meaning one ( a ) subtraction ( minus )--
If there is a minus sign before the number, we subtract that one.