I’m pretty sure the answer would be 60%
Lines of latitude and longitude help you locate places on the Earth's surface with greater accuracy because they are measurements of distance in degrees, which can be converted to miles, nautical miles, etc.
A) by crossing the bering land bridge
based on what i remember from ancient world history, the bering land bridges connected asia to northern america (specifically what would be today's canada/alaska area) during an ice age
1763
10 February: Signing of the Treaty of Paris
Ending the Seven Year’s War, also known as the French and Indian War in North America. France ceded all mainland North American territories, except New Orleans, in order to retain her Caribbean sugar islands. Britain gained all territory east of the Mississippi River; Spain kept territory west of the Mississippi, but exchanged East and West Florida for Cuba.
7 October: Proclamation of 1763
Wary of the cost of defending the colonies, George III prohibited all settlement west of the Appalachian mountains without guarantees of security from local Native American nations. The intervention in colonial affairs offended the thirteen colonies' claim to the exclusive right to govern lands to their west.
Expenditure approach: it’s formula is Y=C+I+G+NX hope this helps