The accurate answer is
<span>Frederic Edwin Church began the Hudson river school painting style.</span>
I’m guessing it wants you to fill in two major key signatures like D major and C major also with two minor key signatures like A minor and B minor. I picked those key signatures because A minor is the same as C major but it starts on A and D major and B minor is the same but it starts on B
i believe the Triad is the most important .
<span>Winchester Psalter is the book</span>
