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It is a little of both. The north east portion of the US is densely populated while the north central and the north west is mainly open forested areas.

Answer

No there are no routes for this.

The only country that is classified as being in North Asia would be Russia which is neither a small nor a densely populated country.

Asia does contain many small and densely populated countries. I will include 5 small and densely populated Asian countries.

Country Area [...]

Answer

Timbuktu is located in Mali, West Africa

True…More North Western Africa

Airport Code CGK

The CGK airport code refers to Soekarno-Hatta International Airport in Jakarta, Indonesia.

Answer

They have no dependencies. They are themselves an autonomous region of the Kingdom of Denmark.

Answer

No dependencies, that is correct.

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Yes. As of January 2007, a passport is required for anyone entering the US by air.

Migrant worker.

Answer

Migrant worker.

Answer

160 Acres

…”In 1862 the Homestead Act was passed and signed into law. The new law established a three-fold homestead acquisition process: filing an application, improving the land, and filing for deed of title. Any U.S. citizen, or intended citizen, who had never borne arms against the U.S. Government could file an application [...]

Guatemala, Honduras, Costa Rica, Panama, El Salvador, Belize, and Nicaragua.
Mexico isn’t part of central america.