_regions are defined by a government or other organization.

_ regions are connected by shared economic ties.

_ regions are often not well-defined and individuals may have different ideas on the places included in such regions.

Regions may be defined by _, such as hills, mountains, and land altered by water.

_ regions include tropical, subtropical, desert, taiga, tundra, and rainforest.

Regions may be defined by _. Examples include "coal mining country," the "Black Belt" of rich soil in Alabama, and the oil patch.

_ refers to the increasing interconnectedness of the world.

_ define regions. Examples include the Gulf Coast, the Great Lakes region, and the Mississippi Valley.

The _ refers to the ancient trade route that carried a precious fabric from China to the Near East.

Languages change over time. _, the language of the Roman Empire, once defined the region around the Mediterranean Sea, England, and part of Northern Europe.

The _ Languages include Spanish, French, Romanian, Italian, Portuguese, and some smaller languages, such as Sardinian.

The _ region of the northern United States was once a thriving industrial area. Today, formerly prosperous factories rust away and the towns they supported struggle to survive.

_ are things of value, such as silk, spices, or petroleum (crude oil).

_, such as trade agreements, may mitigate (reduce) some of the negative effects of globalization.

Even though _ has modern cities it is identified with tulips and windmills because the prevalence of each makes the region different from other regions.

_ may determine the location and growth of port cities on oceans and rivers.

_ factors attract people to are area. These include job creation, pleasant climate, peace, and political stability.

_ factors are those that move people away from an area. Factory closures, natural disasters, drought, famine, and war are push factors.

_ growth and decline, in terms of population, refers to the life-cycle of cities.