Labor Migration Has Increased in the Twentieth Century in Part

question 42

Multiple Choice

Labor migration has increased in the twentieth century in part due to __________.

• A) warfare
• B) industrialization
• C) the ability of refugees to seek asylum
• D) faster maritime transportation

---

Definitions:

Common Law

A legal system based on custom and court rulings rather than written laws passed by a legislature.

National Pollutant Discharge

The release of pollutants from point sources into navigable waters, regulated by national environmental authorities.

Industrial Wastewater

Water that has been contaminated through its use in industrial processes, which requires treatment before being released back into the environment.

Air Quality Statute

Legislation aimed at regulating, controlling, and improving the air quality within a specific area.