There are several reasons why understanding how much Travis loves Old Yeller important, but the best option from the list is "<span>It allows the reader to better understand why Old Yeller is such a good companion"</span>
<span>After feeding the pigs; Betsy and Arnold were caught in a downpour.
There should be a comma(,), not a semicolon(;).</span>
A clue to cause and effect would be the word "since" as it starts a cause for something,a reason for something to happen