In the history of events in russia in the 19th and 20th centuries, the slogan "one language, one church, and one ruler" refers to a czarist program to bring about
democratic reforms
self-determination
russification
communization
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couples could only have one child to reduce the population growth.

first industrial revolution - the first wave of the industrial revolution lasted from the late 1700s to the mid-1800s. it industrialized the manufacture of textiles and began the move of production from homes to factories. steam power and the cotton gin played an important role in this period.