Answer:
Refrigeration it helped preserve the food to its freshness
Explanation:
The correct answer is b)
The EU started as an association of countries that seeked economic improvement by boosting their import and export. They signed a series of treated to create three overlapping organizations, one of them being the European Economic Community (the other specified unified Atomic Energy market and the third unified Steel and Carbon Market). These treaties later developed into the modern EU.
I'm pretty sure the answer is Detroit
The Supreme Corut ruiling Brown vs. Board of Education ruled that segregated schools was unconstitutional. This was the single biggest reason for the Civil Rights movement because it allowed for the challenge of segregation in all areas.