All of the above as children could reach in to small spaces and kids could work more for less pay and adults are more likely to not do it due to the risks
They are in the era of the 1800's.
Internment of Japanese Americans. The internment of Japanese Americans in the United States during World War II was the forced relocation and incarceration in concentration camps in the western interior of the country of about 120,000 people of Japanese ancestry, most of whom lived on the Pacific Coast.
The Spanish-American War was notable not only because the United States ... Spain had dominated Central and South America since the late fifteenth century. ... of additional naval bases in the Pacific Ocean, reaching as far as mainland Asia. ... best known part of the battles, but in fact, several African American regiments
