The answer is "B", varied ecological regions.
Oklahoma contains 10 distinct ecological regions. That is more ecological regions per square mile than in any other state by a wide margin.
It is an ancient wonder because it was built by Artemisia after her husband Mausolus died. Mausolus and Artemisia had ruled over Halicarnassus and the region surrounding it for 24 years
3. They invaded countries to create empires.
Disease was the most dangerous thing
The new industries and businesses affected the way many american children lived, because due to the Industrial Revolution and the emergence of new industries and businesses since 19th century, <u>many children worked long hours in factories, mills or mines</u> from an early age (some from 6 years old). They had to work strenuous working days of more than 54 hours per week, which caused the children to be forced to leave their studies and their infantile activities to carry out the work. As a result of that many children suffered accidents that several times seriously harmed them.
