Reasons why the USA is wealthy - Natural resources and labour force

Reasons why the USA is wealthy - Natural resources and labour force' is a resource from 'What do we know about how the USA's natural resources helped it to be one of the world's most wealthy and powerful countries? ', a 5th Grade Geography lesson from the unit North America. This lesson uses an enquiry-approach method, and will facilitate students answering the question 'What do we know about how the USA's natural resources helped it to be one of the world's most wealthy and powerful countries? '