Two groups of people that settled on lands to the west of the thirteen British colonies were the English colonies and the Indian country.
A geographical feature that the black textured lines might represent is the number of wars.
This geographical feature impacts where British colonists established settlements because of the English colonies in America prior to 1763..
Comparing source from other established sources from that time period
Answer:
Britain declared war on 12 November 1864.
The Duar War was a war fought between British India and Bhutan from 1864 and 1865.