Changes in the earth's climate caused ice sheets to grow and cover most of Canada and some of the northern US almost 15 000 years ago. This is known as the last Ice Age. For the last two million years, the earth has shifted between ice ages and warmer periods. Ice ages are caused by slight changes in the way the earth orbits around the sun. Huge continental glaciers or sheets of ice moved down from the Artic and covered Canada, North America and much of Europe.
The United States has resources plus many people with technical skills that built up country's economy and make it a world's one of the best developed and advanced country.
Explanation:
United State is one of the developed country with highly developed technological advancement, abundance of natural resource which is easily transformable to resource by utilizing it with proper human resource. Many people has highly developed technical skill which up graded country's standard and economic position through out the world.
Like United States Europe and other western countries are also have technically skilled persons with adequate natural resource which helps them to be a superior country in the world.
Answer:
China is very similar as in death is a good thing
Explanation:
Answer:
I think it's D. the nations involved in war