What was changing in Natty Bumppos world?

Natty Bumppo, a young white man who was raised by Delaware Indians and educated by members of a Moravian sect, is a brave and honourable woodsman, hunter, and interpreter. He is a lifelong friend of Chingachgook, a Mohican chief, and his son Uncas. In the course of the series, Natty Bumppo allies himself with various European pioneer and military factions as well as with his Indian brothers. Throughout the series he is associated with the vanishing wilderness as an idealized figure, wifeless and childless, hauntingly loyal to a doomed way of life.

Explanation:

c. troops marched forward in close formation against newer, more accurate weapons

when she faked her death and the readers knew but romeo didn't.