B. False. The Occupational Safety and Health Act became a law in 1970.
The Cold War was a period of 40 years which during, tension was extremely high between both nations.
Answer:
This is not true
Explanation:
Although the Progressive Era was known as a period of social activism in the United States (1890s to 1920s), Progressivism (progress) as a means of social reform was (and is) needed all over the world because the human condition needs improvement, yesterday, today and tomorrow.
With social reforms in various sectors the American progressives tried to address the problems of the working classes.
The American progressives might be influenced by the ideas of Immanuel Kant (progress as a movement away from barbarism towards civilization) and John Stuart Mill, a liberal philosopher (people being progressive beings).
The history of the Israeli–Palestinian conflict began with the establishment of the state of Israel in 1948. This conflict came from the intercommunal violence in Mandatory Palestine between Israelis and Arabs from 1920 and erupted into full-scale hostilities in the 1947–48 civil war.