Radio, Television, Telephone, and jazz music are some of the things that profoundly transformed entertainment, education, commerce, and research in the 1920s
Answer: rail road option d
Explanation:
as the rail roads were used to transfer goods from one place to another
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I think option 4, to explain where black holes are located
Answer: Religion
Explanation:
Religion has always been and would always be a major decider in the decision of people in the society, especially society which is occupied by people who are not really high income earners. Society with high income earners tend to easily shrug off the religion mentality and go for what they want but that which is mostly occupied of low income earners place all their hopes and their next move in decision making tied to what their religion would say concerning what's the topic and what decision they should be making.
The floods could wash away all of their crops