Why was it necessary for countries involved in the war to take this approach?

The date a source was created is considered part of its historical context intended audience purpose point of view

In the united states, the government creates laws and regulations that business activities to prevent wrongdoing.

Consider the following invention from the american industrial era. cotton gin – a machine that removed seeds from short-staple cotton which option explains how this invention contributed to the role of the united states as an emerging world power? a. it was in high demand abroad, as many european nations had begun farming cotton. b. it led to the decline of slavery in the south, which enhanced america’s international reputation. c. it freed up many slaves to become factory workers in northern cities, which improved the economy. d. it increased production efficiency of a us cash crop that was in high demand in other nations.