Answer: The battle of Gettysburg!
Because you have been teached this in 5th grade, And the paragraph matches the answer!
Glad to help :)
-liyah❤
Answer:
Lower Egypt, Arabic Miṣr Baḥr, geographic and cultural division of Egypt consisting primarily of the triangular Nile River delta region and bounded generally by the 30th parallel north in the south and by the Mediterranean Sea in the north.
<span>Kings at the time usually didn't have heirs to the throne, because of this by killing the king you bring confusion to the country. No one knows what to do and everyone wants to be the new leader. So the king dying was a great chance for Alexander to take over Persia....... HOPE IT HELPS</span>
You can find the answer one safari search that up