<span>The twelve-tone technique, also known as 12-tone serialism, is a technique developed by Austrian composer Arnold Schoenberg. It is a system of music theory used to organize and compose atonal, or non-harmonic compositions. Atonal compositions using the 12-tone technique are generally known as "serialist" compositions.</span>
Answer: The post World War II period was known as the baby boom. Returning GI's fathered a number of children, which led to a dramatic increase in the population. This was also a period of American prosperity due to the devastation of Europe and its reception to American goods and supplies.
Explanation: Generational development was a big part of developing American social, educational and political institutions. Focusing on creating a stable family environment, appropriate outlets for children from primary through secondary school and college were very important.
Deforestaion, slave labor, violence when getting rid of oppositions
Answer: c is the answer
Explanation: where is my brainlyist???