(mc)which of these took place in the united states during the 1920s? creation of a system of social welfare programs rapid expansion of minority participation in politics establishment of strong legal rights for labor unions development of a consumer advertising industry

The correct answer is D) development of a consumer advertising industry.

What took place in the United States in the 1920s was the development of a consumer advertising industry.

The famous "roaring 1920s" was a time of prosperity in the United States. People had cash and bouy things for their homes and other commodities. Advertising played a big role in marketing products that could be affordable for people, need it or not. This allowed consumerism to be part of American society in the "roaring 1920s."  

the protestant reformation's started in 1517, disturbing the religious and political order in europe´s catholic countries. the outcome was the european wars of religion prosecuted in europe in the 16th, 17th and part of the 18th century. nonetheless, uprisings, territorial disputes, and great power conflicts were also causes of the wars.  

hello! : )

i think a judge or jury, as they preside over the court and is the central figure in a trial.

hope this and i hope i answered in time!

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~ destiny ^_^