A spirit of reform marked the Progressive Era from around 1900 to 1917. It was in this spirit that muckrakers, who were influential journalists, worked to reveal injustices and oversights in American society.
Answer: increasing efficiency in telecommunications.
Explanation: Concerns about air pollution led to stricter environmental regulations. Union membership increased as workers sought better pay and conditions.
It’s B because the North no longer had slaves to farm there crops and the south did so they had an advantage in the area.
How regularly the resources are needed
The statement that best describes the Mayan writing system is B) The Mayan writing system was the most evolved in the Americas.
As it's known, this civilization has been different from other civilizations in the Americas for having the only known fully developed written language of the pre-Columbian period.
The Mayan writing system is considered the most evolved because it was the only writing system of the pre-Columbian new world that completely represented the spoken language of its community. This system had in total more than one thousand of different glyphs, and it was the result of using logograms and a set of syllabic glyphs together which made it the most evolved.
