Ronald Reagan in West Berlin on June 12, 1987.
That many Americans were desperately poor around the turn of the 20th century. The Social Gospel movement emerged among Protestant Christians to improve the economic, moral and social conditions of the urban working class.
Answer:
vibrations of the string
Explanation:
From the given scenario, what is responsible for the generation of sound waves from Tadeo's violin is "vibrations of the string."
This is because the vibration of the string is caused by three main factors which are
1. The tension of the string
2. The thickness of the string
3. The length of the string.
All of them work together to generate a sound wave from his violin.
