The first sentence to me that is condensed seems as though the reason they took over the world is because they learned to harmonize whereas when they are split into two sentences. Should I not look at it as if it is cause/effect?

@SaniqueRowe is this as important if one has extra time on the exam because of accommodations?

Are nouns and objects the same thing?

How is it an assumption that tigers are mammals when it is a fact? Is it because we know it in the regular world but it isnt stated in the argument?