The invention of the steam engine and new textile producing machines led to?

A. the beginning of the factory system

B. the end of the industrial revolution

C. the rise of unions

D. new economic philosophies

When the communist, under mao, took control of china in 1949 they announced total support support for which country and its ideology?

Stories that are passed down through generations by word of mouth are called

Donald is studying the eating habits of all students attending his school. he samples the population by dividing the students into groups by grade level and randomly selecting a proportionate number of students from each group. he then collects data from the sample. which type of sampling is used? select the correct answer below: systematic sampling convenience sampling stratified sampling cluster sampling