Answer: I believe the correct word for these actions would be 'selfless'
Explanation:
<span>“Separate but equal” also applies to schools. </span>
Made it easier to cross the Appalachian mountains<span />
During the rule of the Tang and Song dynasties, China was a wealthy, prosperous, and advanced country. The trade has been well developed between the East and the West, so there was constant contact between the different civilizations. The cities of China during these two dynasties were considered as cultural centers of an international age, and rightly so. Apart from being very well connected, these cities very beautiful, enormous, very well organized, economically and politically powerful, technologically and culturally advanced, all of which was making them superior in comparison to the other cities, as well as being an example of how a city should be and develop.
Frederick Jackson Turner and the frontier. A year after the Oklahoma Land Rush, the director of the U.S. Census Bureau announced that the frontier was closed. The 1890 census had shown that a frontier line, a point beyond which the population density was less than two persons per square mile, no longer existed.
I hope that helped!!!