what geographic
Mississippi river
It is the Appalachian mountains.
straight of sicily
They extended it to the original 13 States
Ceded its western claim that extended Mississippi River to the Federal Government.
The Mekong River
The population of Western Highlands Province is 440,025.
The Appalachian Highlands are not a destination or location and therefore do not appear on a standard map. They are a defined geographic area that run (roughly) from the Virginia/Pennsylvania border south to the area of western South Carolina and eastern Georgia.
The area of Western Highlands Province is 8,500 square kilometers.
The western and eastern parts of the Brazilian highlands are not alike.
Tampa
Coastal Lowlands, Eastern Highlands and Great Western Plateua