Answer:
first wave of industrialization
Explanation:
through the construction of the Transcontinental Railroad, which facilitated the transportation of goods across the nation.
The science of adjusting environments, tasks, or procedures to fit the individual is ERGONOMICS. In other words, it is also defined as the study of a worker's efficiency in a workplace and how this efficiency can be improved together with the well-being of the worker.
Explanation:
iran student uprising led to overthrowing of the Shah of Iran
and the installing of the cleric ayatollah Khomeini as the supreme leader
students blamed America of keeping the Shah in power so they took over the American embassy and held the employees there hostage for over 400 days
Shi huangdi was the first emperor