Where did the ancient people, who migrated from Asia many thousands of years ago and traveled throughout North and South America, cross the water? Gobi Desert
Bering Strait
Appalachian Trail
Panama Canal

I think its Bering Strait :)

Explanation:

d.

thist title points out that you are explaining the nature of the u.s. government. it is the most specific. a representative government consists of a government where decisions are taken according to a voting system. the most essential aspect of a representative government is found in the different structures where voting rights are granted to different groups of people. for example, voting for governor, mayor, president, local police chief etc.