With new found resources, more people wanted to join the sciences and arts. With that much resources into science, what we knew exploded into so much more.
Answer:
promoting an ethnically homogeneous society through restrictions on immigration
Explanation:
A nativist is a person or organization that promotes the interests and rights of the Native People of a place, over the interests and rights of people from other places.
Thus, nativists organizations of the nineteenth century promoted an ethnically homogenous society that consisted in Native People only. For this reason, they mainly opposed immigration, due to several concerns: from labor market, to social and cultural concerns, to even racism.
The issues are "Navies and fishing rights on the Great Lakes".
Hope this helps !
Photon
"C. was overthrown by invading Mongol tribes in A.D. 1279" would be the best phrase describing China's Song Dynasty, but this was of course not always the case.