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Which country had the first, fully mechanized army?

Scientists research __________ in an attempt to solve problems like infertility.

Evans wanted to build lighter steam engines so that they could be used for .   

True or False:  Technological advances automatically equals lost jobs.

Eli Whitney summed up the American system of manufacture by saying that its goals were to produce machines that created parts with expedition, uniformity, and exactness. What does expedition mean?  

Which of the following was not invented during World War II?

The integration of the railroad system was pioneered by  

Scientists turned __________ into an applied science while trying to figure out how to fight viruses and bacteria.

Machines as a substitute for manual labor is called __________.

Reagan’s Strategic Defense Initiative, a missile system meant to defend the continental United States, was nicknamed __________.