I think you meant to spell Nile instead of Nike... so the civilization that matches with the Nile is Egypt
They drove more Georgians to the patriots' side.
This is important, because this lead to more trade routs with other countries, and this strengthen the empire as a whole. These roads also lead to more connections to cities, and lead to more homes, and overall improved their society as a whole.
Christianity is the most popular
Brown v. Board of Education of Topeka, Kansas